List of the youngest state legislators in the United States

This is a list of the youngest individuals elected or appointed to a state legislature in the United States.

Overview

In 2014, the National Conference of State Legislatures estimated that 5% of state legislators were under the age of 30.

List

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

Name	Image	State	Political party	Date of birth	Age upon taking office	Tenure	Notes
Saira Blair		West Virginia	Republican	Jul 11, 1996	18 years, 143 days	Dec 1, 2014 – Dec 1, 2018	Daughter of Craig Blair.
Derrick Seaver		Ohio	Democratic	Feb 6, 1982	18 years, 332 days	Jan 3, 2001 – Dec 31, 2006	Switched to the Republican Party in November 2004.
			Republican
Jacob Bachmeier	Legprofilepic2019.png	Montana	Democratic	Jan 29, 1998	18 years, 339 days	Jan 2, 2017 – Jan 4, 2021
James E. Wheeler		New Hampshire	Republican	1984	18 years	Dec 4, 2002 – 2006
Tony Labranche		New Hampshire	Democratic	Nov 11, 2001	19 years, 22 days	Dec 3, 2020 – Aug 8, 2022	Left the Democratic Party in January 2022.
			Independent
Joe Sweeney		New Hampshire	Republican	Nov 8, 1993	19 years, 27 days	Dec 5, 2012 – present
Josh Holstein		West Virginia	Republican	Nov 2, 2001	19 years, 35 days	Dec 7, 2020 – present
Caleb Hanna		West Virginia	Republican	Oct 29, 1999	19 years, 44 days	Dec 1, 2018 – present	Youngest-ever African-American state legislator.
Rio Tilton		New Hampshire	Republican	Jun 15, 1996	19 years, 51 days	Aug 5, 2015 – 2018
Mallerie Stromswold		Montana	Republican	Oct 29, 2001	19 years, 67 days	Jan 4, 2021 – present
Brian Poznanski		New Hampshire	Democratic	Jul 31, 1989	19 years, 125 days	Dec 3, 2008 – Dec 1, 2010
Kevin H. Smith		New Hampshire	Republican	Jul 28, 1977	19 years, 129 days	Dec 4, 1996 – Dec 2, 1998	Later town manager of Londonderry (2013–2022) and candidate for governor (2012) and for U.S. Senate (2022).
Jack Uhde		Montana	Democratic	Aug 27, 1957	19 years, 129 days	Jan 3, 1977 – 1981	Formerly the youngest-ever member of the Montana House of Representatives.
Yvonne Dean-Bailey		New Hampshire	Republican	Dec 1, 1995	19 years, 169 days	May 19, 2015 – Apr 19, 2018
Michael Elconin		Wisconsin	Democratic	Jun 20, 1953	19 years, 195 days	Jan 1, 1973 – 1977
Dennis Ruprecht	File:Denny Ruprecht (1).jpg	New Hampshire	Democratic	May 15, 1999	19 years, 204 days	Dec 5, 2018 – Dec 17, 2021
Kalan Haywood		Wisconsin	Democratic	Jun 5, 1999	19 years, 216 days	Jan 7, 2019 – present	Youngest member of the Wisconsin State Assembly.
Cassandra Levesque		New Hampshire	Democratic	May 3, 1999	19 years, 216 days	Dec 5, 2018 – present
Alison Conn		Montana	Republican	May 21, 1961	19 years, 229 days	Jan 5, 1981 – [?]	Formerly the youngest-ever Republican legislator.
Scott Merrick		New Hampshire	Democratic	Mar 29, 1985	19 years, 247 days	Dec 1, 2004 – Oct 2009
Michael Weeden		New Hampshire	Republican	Mar 11, 1991	19 years, 265 days	Dec 1, 2010 – Dec 5, 2012
Thomas R. Lussier		Massachusetts	Democratic	Apr 5, 1957	19 years, 275 days	Jan 5, 1977 – Jan 1, 1985
Jeffrey Fontas		New Hampshire	Democratic	Jan 14, 1987	19 years, 326 days	Dec 6, 2006 – Dec 3, 2008
Maureen Manning		New Hampshire	Democratic	Sep 1961	19 years	Dec 3, 1980 – 1986
Gregory Reed		Vermont	Republican	1953	19 years	Jan 3, 1973 – [?]
Jay Lucas		New Hampshire	Republican	Oct 18, 1954	20 years, 47 days	Dec 4, 1974 – Dec 6, 1978	Later nominee for governor (1998).
Nicholas Kettle		Rhode Island	Republican	Oct 18, 1990	20 years, 79 days	Jan 5, 2011 – Feb 22, 2018	Youngest-ever Rhode Island state senator.
Jesse Laslovich		Montana	Democratic	Oct 3, 1980	20 years, 92 days	Jan 3, 2001 – Feb 10, 2010
Aaron Coleman		Kansas	Democratic	Sep 20, 2000	20 years, 113 days	Jan 11, 2021 – present	Left the Democratic Party from January–February 2021. Suspended from the party in February 2022.
			Independent
Joshua Higginbotham		West Virginia	Republican	Jul 23, 1996	20 years, 131 days	Dec 1, 2016 – Nov 5, 2021
John Breckinridge		Virginia	Independent	Dec 2, 1760	20 years, 177 days	May 28, 1781 – [?], May 1783 – 1785	Later Attorney General of Kentucky (1793–1797), Kentucky state representative (1798–1800), speaker of the Kentucky House (1799–1800), U.S. senator (1801–1805) and U.S. Attorney General (1805–1806).
Aundre Bumgardner		Connecticut	Republican	Jul 5, 1994	20 years, 186 days	Jan 7, 2015 – Jan 4, 2017
Joseph Stallcop		New Hampshire	Democratic	May 7, 1996	20 years, 214 days	Dec 7, 2016 – Aug 6, 2018	Switched party to Libertarian in 2017.
			Libertarian
Caleb Dyer		New Hampshire	Republican	May 5, 1996	20 years, 216 days	Dec 7, 2016 – Dec 4, 2018	Switched party to Libertarian in 2017. The only Libertarian floor leader in the United States.
			Libertarian
Braxton Mitchell		Montana	Republican	May 20, 2000	20 years, 229 days	Jan 4, 2021 – present
David Stone		North Carolina	Independent	Feb 17, 1770	20 years, 257 days	Nov 1, 1790 – Feb 7, 1795, Nov 18, 1811 – Dec 25, 1812	Later U.S. representative (1799–1801), U.S. senator (1801–1807, 1813–1814) and governor (1808–1810).
William R. King		North Carolina	Democratic-Republican	Apr 7, 1786	20 years, 269 days	Jan 1, 1807 – Jan 1, 1809	Vice president of the United States (1853)
D.J. Bettencourt		New Hampshire	Republican	Jan 6, 1984	20 years, 330 days	Dec 1, 2004 – May 27, 2012	House majority leader (2010–2012). Youngest majority leader in New Hampshire history.
Michael J. Obuchowski		Vermont	Democratic	Feb 4, 1952	20 years, 334 days	Jan 3, 1973 – Jan 2011	Speaker of the state House (1995–2001).
Harold W. Giard		Vermont	Democratic	Feb 1, 1952	20 years, 337 days	Jan 3, 1973 – Jan 1981	Later state senator (2005–2013).
Karen Swanson		Massachusetts	Democratic	Jan 15, 1954	20 years, 351 days	Jan 1, 1975 – July 12, 1978
Joseph Lane		Indiana	Democratic	Dec 14, 1801	20 years, 353 days	Dec 2, 1822 – 1823, 1830 – 1833, 1838 – 1839	Later state senator (1839–1840, 1844–1846), governor of Oregon Territory (1849–1850, 1853), delegate to the U.S. House of Representatives (1851–1859), shadow U.S. senator (1858–1859), U.S. senator (1859–1861) and southern Democratic nominee for vice president of the United States (1860).
Homer Hendricks		Texas	Democratic	Jan 19, 1900	20 years, 358 days	Jan 11, 1921 – Jan 13, 1925	Youngest-ever Texas state representative.
Thomas Dixon Jr.		North Carolina	Democratic	Jan 11, 1864	20 years, 362 days	Jan 7, 1885 – Jan 5, 1887
Garrett Muscatel		New Hampshire	Democratic	Dec 7, 1997	20 years, 363 days	Dec 5, 2018 – Jun 8, 2020
Shaun Doherty		New Hampshire	Republican	1988	20 years	Dec 3, 2008 – Dec 5, 2012
Jim Normand		New Hampshire	Democratic	1950/1951	20 years	1973 – [?]
Seaborn Roddenbery		Georgia	Democratic	Jan 12, 1870	21 years, 0 days	Jan 12, 1891 – 1895	Later mayor of Thomasville (1903–1904) and U.S. representative (1910–1913).
Sherry Shealy Martschink		South Carolina	Republican	Oct 26, 1949	21 years, 14 days	Nov 9, 1970 – 1974	Daughter of Ryan Shealy. Later state senator (1987–1990) and candidate for lieutenant governor (1990).
Tad Jude		Minnesota	Democratic	Dec 13, 1951	21 years, 20 days	Jan 2, 1973 – Jan 4, 1983	Youngest-ever Minnesota state legislator. Son of Victor N. Jude. Later state senator (1983–1989).
Claire Cory		North Dakota	Republican	Sep 11, 1998	21 years, 30 days	Oct 11, 2019 – present
Amber Mariano		Florida	Republican	Nov 1, 1995	21 years, 32 days	Dec 3, 2016 – present	Her father is a county commissioner in Pasco County, Florida.
Jack W. Connell Jr.		Texas	Democratic	Oct 21, 1937	21 years, 84 days	Jan 13, 1959 – Jan 8, 1963
Joseph Montoya		New Mexico	Democratic	Sep 24, 1915	21 years, 99 days	Jan 1, 1937 – Jan 1, 1941	Youngest-ever New Mexico state representative and subsequently the youngest-ever state senator. Later U.S. representative and U.S. senator.
Cordell Hull		Tennessee	Democratic	Oct 2, 1871	21 years, 100 days	Jan 10, 1893 – Jan 12, 1897	Later U.S. representative (1907–1921, 1923–1931), chair of the DNC (1921–1924), U.S. senator (1931–1933) and Secretary of State (1933–1944).
David Morales		Rhode Island	Democratic	Sep 16, 1998	21 years, 107 days	Jan 2021 – present	Youngest Latino legislator in the history of the United States
Drew Dennert		South Dakota	Republican	Aug 28, 1995	21 years, 128 days	Jan 3, 2017 – present
Scott Newhard		Iowa	Democratic	Aug 23, 1951	21 years, 138 days	Jan 8, 1973 – Jan 7, 1979
Wayne Olhoft		Minnesota	Democratic	Aug 1, 1951	21 years, 154 days	Jan 2, 1973 – Jan 3, 1983
Steven Howard		Vermont	Democratic	Aug 3, 1971	21 years, 156 days	Jan 6, 1993 – Jan 1999, Jan 2005 – Jan 2011
Patrick J. Kennedy		Rhode Island	Democratic	Jul 14, 1967	21 years, 171 days	Jan 1, 1989 – Jan 3, 1993	Later the youngest member of the House during the 104th Congress.
R. Carlisle Burdick		Minnesota	[?]	Jul 14, 1834	21 years, 172 days	Jan 2, 1856 – Jan 6, 1857
Benjamin Bubar Jr.		Maine	Republican	Jun 17, 1917	21 years, 173 days	Dec 7, 1938 – Dec 6, 1944	Son of state representative Benjamin Bubar Sr. Later Prohibition Party nominee for president of the United States (1976, 1980).
Henry Tazewell		Virginia	Independent	Nov 27, 1753	21 years, 186 days	Jun 1, 1775 – Mar 31, 1785	Later U.S. senator (1794–1799) and president pro tempore of the U.S. Senate (1795).
Jim Douglas		Vermont	Republican	Jun 21, 1951	21 years, 196 days	Jan 3, 1973 – Jan 3, 1979	Later state secretary of state (1981–1993), nominee for U.S. Senate (1992), state treasurer (1995–2003) and governor (2003–2011).
Nathan Carlow	File:Rep. Nathan Carlow.jpg	Maine	Republican	May 18, 1999	21 years, 198 days	Dec 2, 2020 – present
Barry Hobbins		Maine	Democratic	May 17, 1951	21 years, 203 days	Dec 6, 1972 – Dec 5, 1984, Dec 5, 2012 – Dec 3, 2016	Later state senator (1988–1990, 2004–2012) and state public advocate (2017–2021).
Jerry J. O'Connell		Montana	Democratic	Jun 14, 1909	21 years, 205 days	Jan 5, 1931 – 1934	Elected to the U.S. House of Representatives in 1936.
John Bell		Tennessee	Democratic-Republican	Feb 18, 1796	21 years, 209 days	Sep 15, 1817 – Nov 25, 1817	Later U.S. representative (1827–1841), speaker of the House (1834–1835), secretary of war (1841), state representative (1847), U.S. senator (1847–1859) and Constitutional Union nominee for president of the United States (1860).
Robert F. Larkin, Jr.		Massachusetts	Democratic	May 29, 1955	21 years, 221 days	Jan 5, 1977 – Jan 7, 1981
Justin Chenette		Maine	Democratic	Apr 23, 1991	21 years, 226 days	Dec 5, 2012 – Dec 7, 2016	Elected state senator in 2016.
Drew Christensen		Minnesota	Republican	May 21, 1993	21 years, 230 days	Jan 6, 2015 – Jan 7, 2019
Roger B. Taney		Maryland	Federalist	Mar 17, 1777	21 years, 233 days	Nov 5, 1798 – Jan 3, 1800	Later state attorney general (1827–1831), U.S. attorney general (1831–1833), secretary of the treasury (1833–1834) and chief justice (1836–1864).
Tulsi Gabbard		Hawaii	Democratic	Apr 12, 1981	21 years, 234 days	2002 – 2004	Daughter of Mike Gabbard, who was elected to the Honolulu City Council the same year
Patrick B. Augustine		Kansas	Democratic	May 14, 1955	21 years, 241 days	Jan 10, 1977 – Jan 12, 1981
Stephen Smith		Arkansas	Democratic	May 15, 1949	21 years, 241 days	Jan 11, 1971 – Jan 13, 1975
Jewell Jones		Michigan	Democratic	Apr 11, 1995	21 years, 265 days	Jan 1, 2017 – present	Youngest legislator in Michigan history
Joe Mitchell		Iowa	Republican	Apr 23, 1997	21 years, 266 days	Jan 14, 2019 – present
Robert M. Clarke		California	Republican	Mar 5, 1879	21 years, 273 days	Dec 3, 1900 – Dec 1, 1902
James Arthur Field		Vermont	[?]	Apr 10, 1941	21 years, 274 days	Jan 9, 1963 – [?]
Josh Cockroft		Oklahoma	Republican	Feb 6, 1989	21 years, 283 days	Nov 16, 2010 – Nov 15, 2018
William Henry McMorrow		Massachusetts	Democratic	Mar 23, 1871	21 years, 287 days	Jan 4, 1893 – Jan 2, 1895	Later state senator (1895–1897).
Patrick Seymour		Vermont	Republican	Mar 25, 1997	21 years, 290 days	Jan 9, 2019 – Feb 24, 2022
Lafayette Lane		Oregon	Democratic	Nov 12, 1842	21 years, 305 days	Sep 12, 1864 – Oct 22, 1864	Son of governor and U.S. senator Joseph Lane. Later U.S. representative (1875–1877).
Kenneth M. O'Brien		Massachusetts	Democratic	Feb 5, 1951	21 years, 333 days	Jan 3, 1973 – Jan 1, 1975
Brodie Deshaies		New Hampshire	Republican	Jan 1, 1999	21 years, 336 days	Dec 2, 2020 – present
Reid W. Crawford		Iowa	Republican	Dec 6, 1951	21 years, 337 days	Jan 8, 1973 – Aug 8, 1981
Jeramey Anderson	Rep CampaignPics.jpg	Mississippi	Democratic	Dec 6, 1991	21 years, 355 days	Nov 26, 2013 – present	Upon being sworn into the Mississippi House of Representatives, he became youngest African-American state legislator in the United States at the time.
George Cushingberry Jr.		Michigan	Democratic	Jan 6, 1953	21 years, 360 days	Jan 1, 1975 – Dec 31, 1982, Jan 1, 2005 – Dec 31, 2010
Thomas Chilton		Kentucky	[?]	Jul 30, 1798	21 years	1819	Later U.S. representative (1827–1831, 1833–1835).
Anthony Edgecomb		Maine	Republican	1993	21 years	Dec 3, 2014 – Dec 7, 2016
Kevin Furey		Montana	Democratic	Jan 24, 1983	21 years	2004 – 2007	Succeeded in office by his father Tim.
Elise Hall		Oklahoma	Republican	Mar 1989	21 years	Nov 17, 2010 – 2018
Will L. King		Iowa	Republican	1897	21 years	Jan 13, 1919 – Jan 9, 1921
Sarah Laszloffy		Montana	Republican	1991	21 years	Jan 7, 2013 – Jan 2, 2017
Alex Looysen		North Dakota	Republican	1991	21 years	Dec 1, 2012 – Dec 1, 2016
Jamie Whitten		Mississippi	Democratic	Apr 18, 1910	21 years	1931 – 1932	Later U.S. representative and dean of the U.S. House
George W. McCrary		Iowa	Republican	Aug 29, 1835	21–22 years	1857 – 1858	Later U.S. representative, Secretary of War and federal judge
Kayla Kessinger		West Virginia	Republican	Nov 25, 1992	22 years, 6 days	Dec 1, 2014 – present
John B. Henderson		Missouri	Democratic	Nov 16, 1826	22 years, 4 days	Nov 20, 1848 – 1858 1856–1858	Since Henderson was only 22 years old, his swearing-in was in violation of the state constitution's age requirement of 24 years. Later U.S. senator (1862–1869).
James Henry Brennan		Massachusetts	Democratic	Dec 21, 1888	22 years, 14 days	Jan 4, 1911 – Jan 6, 1915, Jan 1, 1919 – Jan 7, 1920
Doyle Conner		Florida	Democratic	Dec 17, 1928	22 years, 16 days	Jan 2, 1951 – Jan 3, 1961	Speaker of the state House (1957–1959) and state agriculture commissioner (1961–1991).
Simon Sefzik		Washington	Republican	Dec 21, 1999	22 years, 21 days	Jan 11, 2022 – present
James W. Grimes		Iowa	Whig	Oct 20, 1816	22 years, 23 days	Nov 12, 1838 – Nov 3, 1839, Dec 4, 1843 – May 4, 1845, Nov 6, 1852 – Dec 3, 1854	Later governor (1854–1858) and U.S. senator (1859–1869).
Cecil H. Underwood		West Virginia	Republican	Nov 5, 1922	22 years, 26 days	Dec 1, 1944 – Dec 1, 1956	Governor of West Virginia (1957–1961, 1997–2001). Both the youngest and the oldest person to serve as governor of the state, winning his second term 40 years after winning his first.
Gene Stipe		Oklahoma	Democratic	Oct 21, 1926	22 years, 28 days	Nov 18, 1948 – Nov 18, 1954	Later elected to state senate, becoming the longest-serving state senator in Oklahoma history.
Kenneth Corn		Oklahoma	Democratic	Oct 8, 1976	22 years, 41 days	Nov 18, 1998 – Nov 20, 2002	Later state senator (2002–2010) and nominee for lieutenant governor (2010).
Sherrod Brown		Ohio	Democratic	Nov 9, 1952	22 years, 55 days	Jan 3, 1975 – Dec 31, 1982	Later Ohio Secretary of State (1983-1991) and United States Senator from Ohio (2007–present)
Curtis Hooks Brogden		North Carolina	Democratic	Nov 6, 1816	22 years, 56 days	Jan 1, 1839 – Jan 1, 1851, Jan 1, 1887 – Jan 1, 1889	State senator (1853–1857), lieutenant governor (1873–1874), governor (1874–1877) and U.S. representative (1877–1879).
Ryan Fecteau		Maine	Democratic	Sep 18, 1992	22 years, 76 days	Dec 3, 2014 – present
John Engler		Michigan	Republican	Oct 12, 1948	22 years, 81 days	Jan 1, 1971 – Dec 31, 1978	Governor of Michigan (1991–2003)
Christina Hagan		Ohio	Republican	Dec 11, 1988	22 years, 81 days	Mar 2, 2011 – Dec 31, 2018	Her father, John Hagan, previously represented the district.
Peppy Blount		Texas	Democratic	Oct 19, 1924	22 years, 87 days	Jan 14, 1947 – Sep 26, 1951
Frederick W. Dallinger		Massachusetts	Republican	Oct 2, 1871	22 years, 93 days	Jan 3, 1894 – Jan 1, 1896	Later state senator (1896–1900) and U.S. representative (1915–1925, 1926–1932).
Lester Clark		Texas	Democratic	Oct 5, 1916	22 years, 97 days	Jan 10, 1939 – Jan 9, 1945
Adam Putnam		Florida	Republican	Jul 31, 1974	22 years, 97 days	Nov 5, 1996 – Nov 7, 2000	Later Baby of the House during the 107th Congress and 108th Congress.
William K. Hall		Kansas	Republican	Oct 1, 1942	22 years, 102 days	Jan 11, 1965 – Jan 9, 1967
Brandon Michael Newton		South Carolina	Republican	Jul 29, 1994	22 years, 108 days	Nov 14, 2016 – present
Bob Ware		Texas	Republican	Sep 21, 1956	22 years, 110 days	Jan 9, 1979 – Jan 11, 1983
Bakari Sellers		South Carolina	Democratic	Sep 18, 1984	22 years, 113 days	Jan 9, 2007 – Jan 6, 2015
Dick Guidry		Louisiana	Democratic	Sep 22, 1929	22 years, 114 days	Jan 14, 1952 – 1956, 1964 – 1976
Patrick Joseph Kearns		Massachusetts	Democratic	Sep 8, 1912	22 years, 116 days	Jan 2, 1935 – Jan 6, 1937
John R. Lynch		Mississippi	Republican	Sep 10, 1847	22 years, 116 days	Jan 4, 1870 – 1873	Speaker of the Mississippi House (1872–1873) and U.S. representative (1873–1877, 1882–1883)
Mike Cooney		Montana	Democratic	Sep 3, 1954	22 years, 122 days	Jan 3, 1977 – Jan 3, 1981	Lieutenant Governor of Montana (2016–2021)
Arthur Clark		Massachusetts	Democratic	Aug 30, 1877	22 years, 126 days	Jan 3, 1900 – Jan 2, 1901
Stephen Morse Wheeler		New Hampshire	Republican	Aug 30, 1900	22 years, 126 days	Jan 3, 1923 – Jan 7, 1925
John W. Cummings		Massachusetts	Democratic	Aug 25, 1855	22 years, 130 days	Jan 2, 1878 – May 17, 1878	Later state senator (1883), mayor of Fall River (1885, 1887–1888) and 1888 DNC delegate.
Samuel Aubrey Jones		Texas	Democratic	Sep 2, 1914	22 years, 132 days	Jan 12, 1937 – Dec 2, 1937
Jayne Aylward		Kansas	Republican	Aug 28, 1956	22 years, 133 days	Jan 8, 1979 – Jan 14, 1991
Dennis Dollar		Mississippi	Democratic	Aug 22, 1953	22 years, 137 days	Jan 6, 1976 – Jan 3, 1984	Ran for secretary of state of Mississippi in 1983, and for U.S. House of Representatives in 1996.
Richard Tisei		Massachusetts	Republican	Aug 13, 1962	22 years, 143 days	Jan 3, 1985 – Jan 3, 1991	Later state senator (1991–2011) and nominee for lieutenant governor (2010).
Terry Gardiner		Alaska	Democratic	Aug 12, 1950	22 years, 149 days	Jan 8, 1973 – Jan 17, 1983
Michael W. Morrissey		Massachusetts	Democratic	Aug 2, 1954	22 years, 156 days	Jan 5, 1977 – Jan 6, 1993	Later state senator (1993–2011).
Kesha Ram		Vermont	Democratic	Aug 2, 1986	22 years, 158 days	Jan 7, 2009 – May 11, 2016
Carl Mario D'Aquila		Minnesota	Republican	Aug 1, 1924	22 years, 159 days	Jan 7, 1947 – Jan 1, 1951	At the time the youngest-ever Minnesota state legislator.
Ernest F. Davis		Massachusetts	Democratic	Jul 30, 1892	22 years, 160 days	Jan 6, 1915 – Jan 5, 1916
Abel P. Upshur		Virginia	Independent	Jun 17, 1790	22 years, 166 days	Nov 30, 1812 – May 16, 1813, Nov 29, 1824 – 1826	Son of state senator Littleton Upshur. Later United States Secretary of the Navy (1841–1843) and United States Secretary of State (1843–1844).
George C. Morris		Texas	Democratic	Jul 17, 1912	22 years, 175 days	Jan 8, 1935 – Jun 11, 1942	Later state senator (1942–1951).
Henry Beck		Maine	Democratic	Jun 6, 1986	22 years, 180 days	Dec 3, 2008 – Dec 7, 2016	Later state treasurer (2019–present).
Tom Davidson		Maine	Democratic	Jun 8, 1972	22 years, 182 days	Dec 7, 1994 – Dec 6, 2000
Chris Pappas		New Hampshire	Democratic	Jun 4, 1980	22 years, 183 days	Dec 4, 2002 – Dec 6, 2006	Later member of the Executive Council (2013–2019) and U.S. representative (2019–present).
Katherine Kazarian		Rhode Island	Democratic	Jun 25, 1990	22 years, 190 days	Jan 1, 2013 – present
Will Haskell		Connecticut	Democratic	Jun 28, 1996	22 years, 195 days	Jan 9, 2019 – present	Defeated incumbent Republican who had served since before he was born
Josie Tomkow		Florida	Republican	Oct 15, 1995	22 years, 198 days	May 1, 2018 – present	Youngest legislator in Florida
Clyde H. Smith		Maine	Republican	Jun 9, 1876	22 years, 209 days	Jan 4, 1899 – Jan 7, 1903, Jan 1, 1919 – Jan 3, 1923	Later state senator (1923–1929) and U.S. representative (1937–1940).
Timothy F. Maloney		Maryland	Democratic	Jun 12, 1956	22 years, 212 days	Jan 10, 1979 – 1994
DeWitt Hale		Texas	Democratic	Jun 10, 1917	21 years, 214 days	Jan 10, 1939 – Dec 14, 1940, Jan 13, 1953 – Sep 30, 1978
Steven Wayne Long		South Carolina	Republican	Apr 14, 1994	22 years, 214 days	Nov 14, 2016 – present
Kevin R. Ryan		South Carolina	Republican	Mar 30, 1988	22 years, 223 days	Nov 8, 2010 – Nov 12, 2012
Carter Nordman		Iowa	Republican	May 27, 1998	22 years, 229 days	Jan 11, 2021 – present
William A. Steiger		Wisconsin	Republican	May 15, 1938	22 years, 233 days	Jan 3, 1961 – 1965	Chairman of the College Republican National Committee (1959–1961) and U.S. representative (1967–1978).
John Sackett		Alaska	Republican	Jun 3, 1944	22 years, 234 days	Jan 23, 1967 – Jan 11, 1971, Jan 8, 1973 – Jan 19, 1987
Norris Cotton		New Hampshire	Republican	May 11, 1900	22 years, 237 days	Jan 3, 1923 – Jan 7, 1925 1943–1947	Elected speaker of the New Hampshire House in 1945. Elected to the U.S. House of Representatives in 1946, and to the U.S. Senate in 1954.
Dave Woodward		Michigan	Democratic	May 9, 1976	22 years, 237 days	Jan 1, 1999 – Jan 1, 2005
Jonathan Zlotnik		Massachusetts	Democratic	May 7, 1990	22 years, 240 days	Jan 2, 2013 – present
Doug Stang		Minnesota	Republican	May 4, 1974	22 years, 248 days	Jan 7, 1997 – Jun 30, 2004
Julie Slama		Nebraska	Republican	May 2, 1996	22 years, 252 days	Jan 9, 2019 – present	Third ever youngest Nebraska legislator, and youngest-ever woman.
Peter Forman		Massachusetts	Republican	Apr 28, 1958	22 years, 254 days	Jan 7, 1981 – Jan 4, 1995
Randall Evans, Jr.		Georgia	Democratic	May 3, 1906	22 years, 256 days	Jan 14, 1929 – [?]	Became the youngest-ever Georgia state representative and speaker of the House.
Joseph Prentis		Virginia	Independent	Jan 24, 1754	22 years, 257 days	Oct 7, 1776 – 1778, May 7, 1781 – Jan 8, 1788	Speaker of the House (1786–1788)
Calvin Goings		Washington	Democratic	Apr 3, 1973	22 years, 261 days	Dec 20, 1995 – Jan 8, 2001	Youngest-ever Washington legislator.
Tom Scott		Connecticut	Republican	Apr 21, 1958	22 years, 261 days	Jan 7, 1981 – Jan 9, 1991	Later independent candidate for governor (1994).
Earl Ray Tomblin		West Virginia	Democratic	Mar 15, 1952	22 years, 261 days	Dec 1, 1974 – Dec 1, 1980	Later state senator (1980–2011), president of the state senate (1995–2011) and governor of West Virginia (2011–2017).
Chester G. Atkins		Massachusetts	Democratic	Apr 14, 1948	22 years, 267 days	Jan 6, 1971 – Jan 3, 1973	Later state senator (1973–1985) and U.S. representative (1985–1993).
Ben Barnes		Texas	Democratic	Apr 17, 1938	22 years, 268 days	Jan 10, 1961 – Jan 14, 1969	Speaker of the state house (1965–1969) and lieutenant governor of Texas (1969–1973)
Joseph Norvell		Kansas	Democratic	Apr 14, 1950	22 years, 269 days	Jan 8, 1973 – Jan 10, 1977	Later state senator (1977–1989).
Joseph Pulitzer		Missouri	Republican	Apr 10, 1847	22 years, 270 days	Jan 5, 1870 – Mar 24, 1870	Since Pulitzer was only 22 years old, his swearing-in was in violation of the state constitution's age requirement of 24 years. Later U.S. representative.
William Jennings Bryan Dorn		South Carolina	Democratic	Apr 14, 1916	22 years, 271 days	Jan 10, 1939 – Jun 8, 1940	Later state senator (1941–1942), U.S. representative (1947–1949, 1951–1974) and nominee for governor (1974)
Philip Davis Bryant		Mississippi	Democratic	Apr 5, 1937	22 years, 275 days	Jan 5, 1960 – Jan 2, 1968
Avery Frix		Oklahoma	Republican	Mar 29, 1994	22 years, 286 days	Jan 9, 2017 – Nov 23, 2022
William Lowndes		South Carolina	Democratic-Republican	Feb 11, 1782	22 years, 289 days	Nov 26, 1804 – Nov 24, 1808	Later U.S. representative (1811–1822).
Kyle Hilbert		Oklahoma	Republican	Mar 23, 1994	22 years, 292 days	Jan 9, 2017 – present
Susan Engeleiter		Wisconsin	Republican	Mar 18, 1952	22 years, 294 days	Jan 6, 1975 – Jan 3, 1979	Later state senator, nominee for U.S. senator and administrator of the Small Business Administration.
Hans Hunt		Wyoming	Republican	Mar 18, 1988	22 years, 299 days	Jan 11, 2011 – Oct 4, 2021
Joshua Putnam		South Carolina	Republican	Nov 10, 1988	22 years, 299 days	Sep 5, 2011 – Nov 12, 2018
Thomas Johnson Martin		Texas	Democratic	Mar 10, 1894	22 years, 305 days	Jan 9, 1917 – Sep 29, 1917, Jan 14, 1947 – Sep 21, 1948
Lauren Plawecki		Michigan	Democratic	Jan 29, 1994	22 years, 305 days	Nov 29, 2016 – Jan 1, 2017	Elected in special election to succeed her mother Julie in the Michigan House of Representatives. She was succeeded by the winner of the general election Jewell Jones.
James P. Hurrell		Massachusetts	Democratic	Mar 1, 1944	22 years, 309 days	Jan 4, 1967 – Jan 1, 1969, Jan 6, 1971 – Jan 5, 1977
Martin Olav Sabo		Minnesota	Democratic	Feb 28, 1938	22 years, 310 days	Jan 3, 1961 – 1978	Elected speaker of the Minnesota House in 1973. Elected to the U.S. House of Representatives in 1978.
Jake Highfill		Iowa	Republican	Mar 3, 1990	22 years, 317 days	Jan 14, 2013 – Nov 6, 2018
Avery Bourne		Illinois	Republican	Mar 30, 1992	22 years, 321 days	Feb 14, 2015 – present	Originally appointed to Illinois House of Representatives; elected 2016. Candidate for lieutenant governor in 2022 as the running mate of Richard Irvin.
C. William O'Neill		Ohio	Republican	Feb 14, 1916	22 years, 321 days	Jan 1, 1939 – Jan 1, 1951	Then the youngest-ever Ohio state representative. Later became the youngest-ever speaker of the Ohio House, state attorney general and governor, and elected justice of the state Supreme Court at age 44.
LaFayette Duckett		Texas	Democratic	Feb 19, 1918	22 years, 330 days	Jan 14, 1941 – Jan 14, 1947
William Johnson		South Carolina	Democratic-Republican	Dec 27, 1771	22 years, 332 days	Nov 24, 1794 – Nov 24, 1800	Speaker of the state House (1798–1800) and associate justice of the Supreme Court (1804–1834).
Gregory W. Sullivan		Massachusetts	Democratic	Jan 29, 1952	22 years, 337 days	Jan 1, 1975 – Jan 2, 1985
Kenneth M. Lemanski		Massachusetts	Democratic	Jan 27, 1954	22 years, 344 days	Jan 5, 1977 – Jan 3, 1979, Jan 7, 1981 – Jan 6, 1993
Joseph Grigsby Smyth		Texas	Democratic	Feb 25, 1847	22 years, 350 days	Feb 10, 1870 – Jan 14, 1873	Son of George W. Smyth.
John Gray		Massachusetts	Republican	Jan 12, 1956	22 years, 356 days	Jan 3, 1979 – Jan 2, 1985
Harry T. Burn		Tennessee	Republican	Nov 12, 1895	22 years, 358 days	Nov 5, 1918 – Nov 7, 1922	Later elected state senator
Andrew P. Quigley		Massachusetts	Democratic	Jan 13, 1926	22 years, 358 days	Jan 5, 1949 – Jan 3, 1951	Later state senator (1951–1957) and mayor of Chelsea (1952–1955).
Leo E. Diehl		Massachusetts	Democratic	Jan 9, 1914	22 years, 363 days	Jan 6, 1937 – Jan 1, 1941
Chester Beisen		Washington	[?]	1904	22 years	Jan 10, 1927 – [?]
Travis Bennett		New Hampshire	Democratic	1992	22 years	Dec 3, 2014 – Dec 4, 2018
Mark Connolly		New Hampshire	Republican	Sep 2, 1955	22 years	1977 – 1978
Steve Fowler		Nebraska	Democratic	1950	22 years	Jan 5, 1973 – 1983
Colleen House		Michigan	Republican	Mar 17, 1952	22 years	1974 – Dec 31, 1976, Jan 1, 1983 – Dec 31, 1986	Divorcée of John Engler.
Ben Jickling		Vermont	Democratic	1994	22 years	Jan 4, 2017 – present
Lloyd Lindgren		Washington	[?]	1912	22 years	Jan 14, 1935 – [?]
Stevens Thomson Mason		Virginia	Independent	Dec 29, 1760	22 years	1783–1784, 1794	Son of Thomson Mason. Later state senator (1787–1791) and U.S. senator (1794–1803).
Herman J. McDevitt		Idaho	Democratic	1928	22 years	Dec 1, 1950 – [?]
Spencer Darwin Pettis		Missouri	Democratic-Republican	1802	22 years	Nov 15, 1824 – Jul 22, 1826	Since Pettis was only 22 years old, his swearing-in was in violation of the state constitution's age requirement of 24 years. Later Secretary of State of Missouri (1826–1828) and U.S. representative (1829–1831).
Michael B. Smith		Washington	[?]	1912	22 years	Jan 14, 1935 – [?]
Joseph Alston		South Carolina	Democratic-Republican	1779	22–23 years	Nov 22, 1802 – Nov 26, 1804, Nov 20, 1805 – Dec 10, 1812	Speaker of the House (1805–1808, 1809–1812) and governor of South Carolina (1812–1814).
Felix Grundy		Kentucky	Democratic-Republican	Sep 11, 1777	22–23 years	1800–1802, 1804–1806	Later U.S. representative (1811–1814), Tennessee state representative (1819–1825), U.S. senator (1829–1838, 1839–1840) and attorney general (1838–1839).
Thomas W. Ferry		Michigan	Republican	Jun 10, 1827	22–23 years	1850 – 1852	Later president pro tempore of the United States Senate
Mann Page		Virginia	Independent	1749	22–23 years	1772 – Dec 21, 1778	Delegate to the Continental Congress (1777–1778).
John Robinson		Virginia	Independent	Feb 3, 1705	22–23 years	1728 – 1766	Speaker of the House (1738–1766).
Dave Gruenes		Minnesota	Republican	Jan 6, 1958	23 years, 0 days	Jan 6, 1981 – Jan 2, 1995
Alan Schlesinger		Connecticut	Republican	Jan 4, 1958	23 years, 3 days	Jan 7, 1981 – Jan 6, 1993	Later mayor of Derby (1994–1998) and nominee for U.S. senator (2006).
Matt Windschitl		Iowa	Republican	Dec 30, 1983	23 years, 9 days	Jan 8, 2007 – present	Later speaker pro tempore and majority leader.
Sean Garballey		Massachusetts	Democratic	Feb 22, 1985	23 years, 11 days	Mar 4, 2008 – present
Edgar Gonzalez Jr.		Illinois	Democratic	Dec 25, 1996	23 years, 16 days	Jan 10, 2020 – present	Youngest Latino and youngest Democrat in Illinois history. Originally appointed to Illinois House of Representatives; elected 2020.
Bob Brown		Montana	Republican	Dec 11, 1947	23 years, 24 days	Jan 4, 1971 – 1974	Secretary of State of Montana (2001–2005)
Clarence Mitchell III		Maryland	Democratic	Dec 14, 1939	23 years, 26 days	Jan 9, 1963 – 1967	Later state senator (1967–1986).
Garrett Love		Kansas	Republican	Dec 12, 1987	23 years, 29 days	Jan 10, 2011 – Jan 9, 2017	Youngest-ever Kansas state senator.
Solomon Goldstein-Rose		Massachusetts	Democratic	Dec 5, 1993	23 years, 30 days	Jan 4, 2017 – Jan 2, 2019	Left the Democratic Party in February 2018.
			Independent
George Francis Monaghan		Michigan	Democratic	Nov 28, 1875	23 years, 37 days	Jan 4, 1899 – 1900
Theodore W. Brevard Jr.		Florida	[?]	Aug 26, 1835	23 years, 39 days	Oct 4, 1858 – 1859	Son of state comptroller Theodorus W. Brevard. Later state senator (1865–1866).
George Burkman Norton		Massachusetts	Democratic	Nov 24, 1921	23 years, 40 days	Jan 3, 1945 – Jan 5, 1949
Jay Hooper		Vermont	Democratic	Nov 12, 1993	23 years, 53 days	Jan 4, 2017 – present
David Plawecki		Michigan	Democratic	Nov 8, 1947	23 years, 54 days	Jan 1, 1971 – 1982
William E. Kirkpatrick		Massachusetts	Republican	Nov 12, 1901	23 years, 56 days	Jan 7, 1925 – Jan 4, 1939
Josh Svaty		Kansas	Democratic	Nov 7, 1979	23 years, 62 days	Jan 8, 2003 – July 14, 2009	Kansas House of Representatives
Theodore Roosevelt		New York	Republican	Oct 27, 1858	23 years, 66 days	Jan 1, 1882 – Dec 31, 1884	President of the United States from 1901 to 1909.
Richard Russell Jr.		Georgia	Democratic	Nov 2, 1897	23 years, 69 days	Jan 10, 1921 – Jan 12, 1931	Later governor of Georgia, U.S. senator and president pro tempore of the United States Senate
Ben H. Butcher		West Virginia	Democratic	Oct 23, 1855	23 years, 77 days	Jan 8, 1879 – 1880, 1931 – 1937	Also served in the Colorado legslature.
Arthur F. Gillen		Minnesota	Independent	Oct 10, 1919	23 years, 87 days	Jan 5, 1943 – Jan 1, 1951	Later state senator (1951–1959).
Rick S. Bender		Washington	Democratic	Oct 9, 1949	23 years, 91 days	Jan 8, 1973 – Jan 10, 1983
Ben Cardin		Maryland	Democratic	Oct 5, 1943	23 years, 92 days	Jan 5, 1967 – Jan 6, 1987	Speaker of the Maryland House of Delegates and later U.S. Representative and United States Senator
Edward Boland		Massachusetts	Democratic	Oct 1, 1911	23 years, 93 days	Jan 2, 1935 – Jan 1, 1941	Later U.S. representative (1953–1989).
Sammy D. Dalton		West Virginia	Democratic	Aug 29, 1951	23 years, 94 days	Dec 1, 1974 – Dec 1, 1986 Dec 1, 1988 – Dec 1, 1990 Dec 1, 1996 – Dec 1, 2000	State senator (1990–1994)
Jennifer Sullivan		Florida	Republican	Aug 1, 1991	23 years, 97 days	Nov 6, 2014 – present
Selena Torres		Nevada	Democratic	Jul 27, 1995	23 years, 103 days	Nov 7, 2018 – present
J. Keith Arnold		Florida	Democratic	Jul 21, 1959	23 years, 104 days	Nov 2, 1982 – present
Thomas Bennett Jr.		South Carolina	Democratic-Republican	Aug 14, 1781	23 years, 104 days	Nov 26, 1804 – Nov 24, 1806, Nov 28, 1808 – Nov 26, 1810, Nov 23, 1812 – Dec 19, 1812 Sep 15, 1813 – Nov 23, 1818	Speaker of the state House (1814–1818), state senator (1820, 1837–1840) and governor (1820–1822).
Clementa C. Pinckney		South Carolina	Democratic	Jul 30, 1973	23 years, 104 days	Nov 11, 1996 – Nov 13, 2000	Later state senator (2001–2015).
J. D. Lynch		Montana	Democratic	Sep 17, 1947	23 years, 109 days	Jan 4, 1971 – Jan 3, 1979	Later state senator (1982–2001).
Alfred A. Minahan, Jr.		Massachusetts	Democratic	Sep 14, 1953	23 years, 113 days	Jan 5, 1977 – Jan 2, 1985
Riley Keaton		West Virginia	Republican	Aug 9, 1997	23 years, 114 days	Dec 1, 2020 – present
Jason Mumpower		Tennessee	Republican	Sep 22, 1973	23 years, 114 days	Jan 14, 1997 – Jan 11, 2011
Robert L. Nardone		Massachusetts	Democratic	Sep 13, 1953	23 years, 114 days	Jan 5, 1977 – Jan 3, 1979
Daniel Pae		Oklahoma	Republican	Jul 25, 1995	23 years, 119 days	Nov 21, 2018 – present
Clinton Kersey		Texas	Democratic	Sep 11, 1915	23 years, 121 days	Jan 10, 1939 – Jan 12, 1943
Rudolph Tesar		Nebraska	Democratic	Sep 2, 1907	23 years, 127 days	Jan 7, 1931 – 1935	At the time the youngest-ever Nebraska state legislator.
Kerry Rich		Alabama	Republican	Jun 25, 1951	23 years, 134 days	Nov 6, 1974 – Nov 8, 1978, Nov 7, 1990 – Nov 9, 1994, Nov 3, 2010 – present
Charles I. Quirk		Massachusetts	Democratic	Aug 15, 1871	23 years, 140 days	Jan 2, 1895 – Jan 5, 1898	Later state senator (1898–1899).
John Montgomery		Oklahoma	Republican	Aug 13, 1991	23 years, 146 days	Jan 6, 2015 – 2019
John Whitmire	File:JWMAction.jpg	Texas	Democratic	Aug 13, 1949	23 years, 149 days	Jan 9, 1973 – Jan 11, 1983	Later state senator (1983–present).
Charles J. Faulkner		Virginia	Independent	Jul 6, 1806	23 years, 154 days	Dec 7, 1829 – Dec 5, 1830, Dec 5, 1831 – Dec 1, 1833, Jan 1, 1838 – Dec 4, 1842	Later state delegate (1848–1849) and U.S. representative (1851–1859, 1875–1877).
			Whig
Frederick Joseph Duff		Texas	Democratic	Aug 6, 1859	23 years, 156 days	Jan 9, 1883 – Jan 13, 1885
Daniel J. Kiley		Massachusetts	Democratic	Jul 27, 1874	23 years, 162 days	Jan 5, 1898 – Jan 4, 1899, Jan 1, 1902 – Jan 6, 1904
Thomas D'Alesandro Jr.		Maryland	Democratic	Aug 1, 1903	23 years, 164 days	Jan 12, 1927 – 1933	Later U.S. representative (1939–1947) and mayor of Baltimore (1947–1959).
Julian Ivey		Maryland	Democratic	Aug 3, 1995	23 years, 169 days	Jan 2019 – present
Thomas H. Spurr Jr.		Massachusetts	Democratic	Jul 17, 1927	23 years, 170 days	Jan 3, 1951 – Jan 7, 1953
John W. Connelly		Massachusetts	Democratic	Jul 16, 1874	23 years, 173 days	Jan 5, 1898 – Jan 4, 1899
James J. Kiley		Massachusetts	Democratic	Jul 5, 1911	23 years, 181 days	Jan 2, 1935 – Jan 6, 1937
Hunter Cantrell		Minnesota	Democratic	Jul 10, 1995	23 years, 182 days	Jan 8, 2019 – Jan 5, 2021
Melvin Ernest Nunnery		South Carolina	Democratic	May 11, 1951	23 years, 184 days	Nov 11, 1974 – Nov 8, 1982
Jason Bedrick		New Hampshire	Republican	Jun 5, 1983	23 years, 184 days	Dec 6, 2006 – Dec 3, 2008
Alan J. Dixon		Illinois	Democratic	Jul 7, 1927	23 years, 187 days	Jan 10, 1951 – Jan 1963	Later state senator (1963–1971), state treasurer (1971–1977), secretary of state (1977–1981) and U.S. senator (1981–1993).
Nathaniel Macon		North Carolina	Independent	Dec 17, 1757	23 years, 188 days	Jun 23, 1781 – May 18, 1782, 1784	Later U.S. representative (1791–1815), speaker of the House (1801–1807), U.S. senator (1815–1828) and president pro tempore of the U.S. Senate (1826–1827).
Claude R. Porter		Iowa	Democratic	Jul 8, 1872	23 years, 189 days	Jan 13, 1896 – Jan 8, 1900	Later state senator (1900–1904) and nominee for governor (1906, 1910, 1918) and for U.S. Senate (1920, 1926).
Russ Meekins Jr.		Alaska	Democratic	Jun 29, 1949	23 years, 193 days	Jan 8, 1973 – Jan 20, 1975, Jan 10, 1977 – Jan 17, 1983
Lindley Beckworth		Texas	Democratic	Jun 30, 1913	23 years, 196 days	Jan 12, 1937 – Jan 10, 1939	Later U.S. representative (1939–1953, 1957–1967) and state senator (1971–1973).
George Greene		Iowa	Democratic	Apr 15, 1817	23 years, 201 days	Nov 2, 1840 – Dec 4, 1842
Gregory G. Gruse		Michigan	Republican	Jun 20, 1961	23 years, 203 days	Jan 9, 1985 – Jan 14, 1987
William P. Nagle Jr.		Massachusetts	Democratic	Jun 10, 1951	23 years, 205 days	Jan 1, 1975 – Jan 1, 2003
George Nigh		Oklahoma	Democratic	Jun 9, 1927	23 years, 207 days	Jan 2, 1951 – Jan 6, 1959	Lieutenant governor (1959–1963, 1967–1979) and governor (1963, 1979–1987).
John Paul O'Brien		Massachusetts	Democratic	Jun 10, 1937	23 years, 208 days	Jan 4, 1961 – Jan 2, 1963, Jan 6, 1965 – Jan 3, 1973
Reuben E. Senterfitt		Texas	Democratic	Jun 18, 1917	23 years, 210 days	Jan 14, 1941 – Jan 11, 1955	Speaker of the state House (1951–1955).
John L. Donovan		Massachusetts	Democratic	Jun 3, 1876	23 years, 214 days	Jan 3, 1900 – Jan 1, 1902, Jan 5, 1910 – Jan 4, 1911, Jan 3, 1912 – Jan 4, 1919
Stephen A. Douglas		Illinois	Democratic	Apr 23, 1813	23 years, 226 days	Dec 5, 1836 – [?]	U.S. senator (1847–1861) and nominee for president of the United States (1860).
Pat Grassley		Iowa	Republican	May 26, 1983	23 years, 227 days	Jan 8, 2007 – present	Grandson of Chuck Grassley. Speaker of the state House (2020–present).
John G. Rowland		Connecticut	Republican	May 24, 1957	23 years, 228 days	Jan 7, 1981 – Jan 9, 1985	Later U.S. representative and governor of Connecticut
Aaron Schock		Illinois	Republican	May 28, 1981	23 years, 229 days	Jan 12, 2005 – Jan 3, 2009	Later Baby of the House during the 111th Congress and 112th Congress
Richard N. Gottfried		New York	Democratic	May 16, 1947	23 years, 230 days	Jan 1, 1971 – present	Longest-serving state legislator in New York history.
Richard Baker		Louisiana	Democratic	May 22, 1948	23 years, 233 days	Jan 10, 1972 – Jan 1987	Switched to the Republican Party in 1986. Later U.S. representative (1987–2008)
			Republican
Harry W. Haines		New Hampshire	Democratic	May 11, 1877	23 years, 236 days	Jan 2, 1901 – [?]
J. Vander Stoep		Washington	Republican	May 20, 1957	23 years, 237 days	Jan 12, 1981 – Jan 12, 1987
John Buckley		Connecticut	Republican	May 12, 1885	23 years, 239 days	Jan 6, 1909 – 1910 1921–1922
Stephen M. Young		Ohio	Democratic	May 4, 1889	23 years, 242 days	Jan 1, 1913 – Jan 1, 1917	U.S. senator (1959–1971)
John E. Magenis		Massachusetts	Republican	May 5, 1873	23 years, 246 days	Jan 6, 1897 – Jan 4, 1899
Tory Marie Arnberger		Kansas	Republican	May 3, 1993	23 years, 251 days	Jan 9, 2017 – present
Bill Finkbeiner		Washington	Democratic	May 5, 1969	23 years, 251 days	Jan 11, 1993 – Jan 9, 1995	Switched to the Republican Party in 1994. Later majority leader of the state senate.
			Republican
Daniel Thomas McCormick		New Hampshire	Republican	Apr 25, 1877	23 years, 252 days	Jan 2, 1901 – [?]
Michael J. McGlynn		Massachusetts	Democratic	Apr 23, 1953	23 years, 257 days	Jan 5, 1977 – Jan 3, 1988	Later mayor of Medford (1988–2016).
John W. Costello		Massachusetts	Democratic	Apr 20, 1927	23 years, 258 days	Jan 3, 1951 – Jan 3, 1961	Later member of the governor's council (1961–1965).
Otto Kotouč		Nebraska	Democratic	Apr 22, 1885	23 years, 259 days	Jan 6, 1909 – Jan 8, 1913
Skyler Wheeler		Iowa	Republican	Apr 24, 1993	23 years, 260 days	Jan 9, 2017 – present
John J. O'Connor		Massachusetts	Democratic	Apr 12, 1871	23 years, 265 days	Jan 2, 1895 – Jan 6, 1897
Martin J. Schreiber		Wisconsin	Democratic	Apr 8, 1939	23 years, 268 days	Jan 1, 1963 – Jan 1, 1971	Became the youngest-ever Wisconsin state senator. Later governor of Wisconsin (1977–1979).
Peter Shapiro		New Jersey	Democratic	Apr 18, 1952	23 years, 270 days	Jan 13, 1976 – Jan 1979	Later Essex County Executive (1979–1987) and nominee for governor (1985).
Philip Erdman		Nebraska	Republican	Apr 7, 1977	23 years, 271 days	Jan 3, 2001 – Jan 7, 2009
John A. Olszewski Jr.		Maryland	Democratic	Sep 10, 1982	23 years, 275 days	Jun 12, 2006 – Jan 14, 2015	Youngest-ever chairman of the Baltimore County Delegation.
Casey Kozlowski		Ohio	Republican	Mar 31, 1987	23 years, 278 days	Jan 3, 2011 – Dec 31, 2012
Niraj Antani		Ohio	Republican	Feb 26, 1991	23 years, 279 days	Dec 2, 2014 – Dec 31, 2020
John Joseph Linehan		Massachusetts	Democratic	Mar 26, 1933	23 years, 282 days	Jan 2, 1957 – Jan 4, 1961
Torrey Westrom		Minnesota	Republican	Mar 27, 1973	23 years, 286 days	Jan 7, 1997 – Jan 7, 2013	Later state senator (2013–present).
Corey Mock		North Dakota	Democratic	Feb 17, 1985	23 years, 288 days	Dec 1, 2008 – present	Minority Leader of the North Dakota House of Representatives (2014–2018)
Harry H. Ham		Massachusetts	Republican	Mar 16, 1883	23 years, 292 days	Jan 2, 1907 – Jan 4, 1911
Wesley C. Uhlman		Washington	Democratic	Mar 23, 1935	23 years, 295 days	Jan 12, 1959 – Jan 9, 1967	Elected mayor of Seattle in 1969.
Henry Converse Atwill		Massachusetts	Republican	Mar 11, 1872	23 years, 296 days	Jan 1, 1896 – Jan 4, 1899	Later state senator (1899–1901) and state attorney general (1915–1919).
Richard A. Westman		Vermont	Republican	Mar 13, 1959	23 years, 298 days	Jan 5, 1983 – Jan 2009	Later state senator (2011–present).
Nicholas Paleologos		Massachusetts	Democratic	Mar 9, 1953	23 years, 302 days	Jan 5, 1977 – Jan 1, 1991
Thomas Golden Jr.		Massachusetts	Democratic	Mar 5, 1971	23 years, 305 days	Jan 4, 1995 – May 26, 2022	Later city manager of Lowell (2022–present).
Victor Ashe		Tennessee	Republican	Jan 1, 1945	23 years, 309 days	Nov 5, 1968 – Nov 5, 1974	Later nominee for U.S. senator (1984) and mayor of Knoxville (1987–2003).
Dorothy Bradley		Montana	Democratic	Feb 24, 1947	23 years, 315 days	Jan 5, 1971 – Jan 1979, Jan 1985 – Jan 1993
David Lowry Swain		North Carolina	Independent	Jan 4, 1801	23 years, 316 days	Nov 15, 1824 – Jan 8, 1830	Later governor (1832–1835).
David Beasley		South Carolina	Democratic	Feb 26, 1957	23 years, 318 days	Jan 9, 1981 – Jan 10, 1995	Switched to the Republican Party in 1991, Later governor (1995–1999) and executive director of the World Food Programme (2017–present).
			Republican
Kaniela Ing		Hawaii	Democratic	Dec 24, 1988	23 years, 319 days	Nov 7, 2012 – Nov 6, 2018
Jeffrey D. Padden		Michigan	Democratic	Feb 22, 1951	23 years, 320 days	Jan 8, 1975 – Jan 1985
Jesse K. Dubois		Illinois	Whig	Jan 14, 1811	23 years, 321 days	Dec 1, 1834 – 1840, Dec 4, 1842 – 1844	Later state auditor of public accounts (1857–1864).
Peter Snowe		Maine	Republican	Jan 16, 1943	23 years, 325 days	Dec 7, 1966 – Apr 10, 1973	Late husband of Olympia Snowe.
James Manley Head		Texas	Democratic	Feb 16, 1909	23 years, 329 days	Jan 10, 1933 – Jan 12, 1937	Later state senator (1937–1941).
William T. Barry		Kentucky	Democratic-Republican	Feb 5, 1784	23 years, 330 days	Jan 1, 1808 – [?]	Later U.S. representative (1810–1811), U.S. senator (1815–1816), state senator (1817–1821), lieutenant governor (1820–1824), commonwealth secretary of state (1824–1825) and U.S. postmaster general (1829–1835).
Donald L. Kimball		Iowa	Republican	Feb 15, 1933	23 years, 334 days	Jan 14, 1957 – Jan 8, 1961
John McCandish King		Illinois	Republican	Feb 15, 1927	23 years, 334 days	Jan 15, 1951 – Jan 15, 1957	Youngest person elected to Illinois House of Representatives in its history at the time of his election.
Bob Giersdorf		Alaska	Democratic	Feb 24, 1935	23 years, 336 days	Jan 26, 1959 – Jan 29, 1960, Feb 2, 1960 – Jan 23, 1961
James Monroe		Virginia	Independent	Apr 28, 1758	23 years, 338 days	Apr 1, 1782 – June 1782	Founding Father of the United States and U.S. President
Marilinda Garcia		New Hampshire	Republican	Jan 1, 1983	23 years, 339 days	Dec 6, 2006 – Dec 3, 2008	Later served in the New Hampshire House of Representatives from April 29, 2009 to December 2, 2014.
Kylie Oversen		North Dakota	Democratic	Feb 3, 1989	23 years, 340 days	Jan 8, 2013 – Dec 5, 2016	Elected Chair of the North Dakota Democratic-NPL at 26, making her the youngest U.S. state party chair at the time.
Jonathan Kreiss-Tomkins		Alaska	Democratic	Feb 7, 1989	23 years, 343 days	Jan 15, 2013 – present
Carleton Fulbright		Missouri	Democratic	Jan 15, 1911	23 years, 352 days	Jan 2, 1935 – 1937	Since Fulbright was not yet 24 years old, his swearing-in was in violation of the state constitution's age requirement.
John Zampieri		Vermont	Democratic	Jan 19, 1941	23 years, 353 days	Jan 6, 1965 – Jan 14, 1985
Serranus Clinton Hastings		Iowa	Democratic	Nov 22, 1814	23 years, 355 days	Nov 12, 1838 – Nov 1, 1840	Later legislative councillor (1840–1846), U.S. representative (1846–1847) and attorney general of California (1852–1854).
Jeff Johnston		Oklahoma	Democratic	Jan 16, 1951	23 years, 356 days	Jan 7, 1975 – Jan 2, 1979	Later state senator (1979–1982).
Blake Carpenter	File:Carpenter Blake 2021.png	Kansas	Republican	Jan 14, 1991	23 years, 363 days	Jan 12, 2015 – present
Robert Robinson		Massachusetts	Democratic	Jan 4, 1889	23 years, 363 days	Jan 1, 1913 – Jan 5, 1916
Tim Baxter		New Hampshire	Republican	1997	23 years	Dec 2, 2020 – present
James Buchanan		Pennsylvania	Federalist	Apr 23, 1791	23 years	1814 – 1816	President of the United States (1857–1861)
Stacey Dahl		North Dakota	Republican	1981	23 years	Dec 1, 2004 – Dec 1, 2012
Jim Donnelly		Maine	Republican	1967	23 years	Dec 5, 1990 – Dec 2, 1998
Antonio Felipe		Connecticut	Democratic	1996	23 years	May 13, 2019 – present
Cedric Gates		Hawaii	Democratic	1993	23 years	Nov 8, 2016 – present
Walker Hines		Louisiana	Democratic	1984	23 years	Jan 14, 2008 – Jan 9, 2012	Switched to the Republican Party in November 2010.
			Republican
Karen Kilgarin		Nebraska	Democratic	1957	23 years	Jan 7, 1981 – 1984	At the time the youngest-ever female Nebraska legislator.
William J. Pennock		Washington	[?]	1915	23 years	Jan 9, 1939 – [?]
Jackson Sayama		Hawaii	Democratic	1997	23 years	Nov 3, 2020 – present
Corbin Sullivan		Washington	[?]	1911	23 years	Jan 14, 1935 – [?]
Littleton Waller Tazewell		Virginia	Democratic-Republican	Dec 17, 1774	23 years	1798 – 1800, 1809 – 1812, 1816 – 1817	Son of Henry Tazewell. Later U.S. representative (1800–1801), U.S. senator (1824–1832), president pro tempore of the U.S. Senate (1832) and governor of Virginia (1834–1836).
Katie Zolnikov		Montana	Republican	1997	23 years	Oct 5, 2020 – present	Appointed following the resignation of her husband Daniel.
Henry Clay Jr.		Kentucky	Whig	Apr 10, 1811	23–24 years	1835 – 1837	Son of Henry Clay.
John J. Crittenden		Kentucky	Democratic-Republican	Sep 10, 1787	23–24 years	1811 – 1817	U.S. senator (1817–1819, 1835–1841, 1842–1848, 1855–1861), Attorney General (1841, 1850–1853), governor of Kentucky (1848–1850) and U.S. representative (1861–1863).
J. Hamilton Lewis		Washington	Democratic	May 18, 1863	23–24 years	1887 – 1888	Later U.S. representative (1897–1899) and U.S. senator (1913–1919, 1931–1939).
Philip Ludwell Jr.		Virginia	Independent	1672	23–24 years	1696 – 1697, 1698 – 1700	Son of Philip Ludwell.
Oscar Raymond Luhring		Indiana	Republican	Feb 11, 1879	23–24 years	1903 – 1904	Later U.S. representative (1919–1923).
Charles Cotesworth Pinckney		South Carolina	Independent	Feb 25, 1746	23–24 years	1770 – [?]	Later state senator, Federalist nominee for vice president of the United States (1800) and nominee for president of the United States (1804, 1808).
Christopher Robinson		Virginia	Independent	1681	23–24 years	1705 – 1715	Son of Christopher Robinson.
Greg Jergeson		Montana	Democratic	Dec 29, 1950	24 years, 5 days	Jan 3, 1975 – Jan 3, 1980	Later served two additional tenures in the Montana Senate; 1987–2003 and 2013-2015
John Philip Lanergan		Massachusetts	Democratic	Dec 30, 1874	24 years, 5 days	Jan 4, 1899 – Jan 2, 1901
Phil Cates		Texas	Democratic	Jan 6, 1947	24 years, 6 days	Jan 12, 1971 – Jan 9, 1979
William Christopher Lunney		Massachusetts	Democratic	Dec 24, 1910	24 years, 9 days	Jan 2, 1935 – Jan 1, 1947
James Vernon Lea		Texas	Democratic	Jan 12, 1850	24 years, 11 days	Jan 23, 1874 – Apr 18, 1876
Joseph McGrath		Massachusetts	Democratic	Dec 20, 1890	24 years, 17 days	Jan 6, 1915 – Jan 1, 1919	Later Boston City Councilor (1926–1928, 1930–1936), president of the Boston City Council (1931, 1933), chair of the Massachusetts Democratic Party (1935–1939) and Collector of Customs for the Port of Boston (1938–1943).
Richard Mentor Johnson		Kentucky	Democratic-Republican	Oct 17, 1780	24 years, 20 days	Nov 6, 1804 – Nov 4, 1806, Nov 5, 1850 – Nov 19, 1850	Vice president of the United States (1837–1841)
Jack Brooks		Texas	Democratic	Dec 18, 1922	24 years, 27 days	Jan 14, 1947 – Jan 9, 1951	Later U.S. representative (1953–1995).
Tip O'Neill		Massachusetts	Democratic	Dec 9, 1912	24 years, 28 days	Jan 6, 1937 – Jan 1953	Speaker of the U.S. House (1977–1987)
Cathy Zeuske		Wisconsin	Republican	Dec 4, 1958	24 years, 30 days	Jan 3, 1983 – Jan 7, 1991	Later state treasurer (1991–1995) and secretary of the state department of revenue (1996–2001).
John P. Burke		Massachusetts	Democratic	Dec 2, 1954	24 years, 32 days	Jan 3, 1979 – Jan 1, 1991
James Sturch		Arkansas	Republican	Dec 8, 1990	24 years, 35 days	Jan 12, 2015 – Jan 14, 2019	Later state senator (2019–present)
William Hunter		Rhode Island	Democratic	Nov 26, 1774	24 years, 36 days	Jan 1, 1799 – 1812, 1823 – 1825	Later U.S. senator (1811–1821).
Jim Lord		Minnesota	Democratic	Nov 26, 1948	24 years, 38 days	Jan 3, 1973 – Jan 7, 1975	Later Minnesota State Treasurer (1975–1983), becoming the youngest-ever Minnesota state constitutional officer.
Patrick William Nee		Massachusetts	Democratic	Nov 22, 1938	24 years, 41 days	Jan 2, 1963 – Jan 4, 1967
Joseph J. Norton		Massachusetts	Democratic	Nov 19, 1870	24 years, 44 days	Jan 2, 1895 – Jan 6, 1897
Bill Gardner		New Hampshire	Democratic	Oct 26, 1948	24 years, 41 days	Dec 6, 1972 – Dec 1, 1976	Later secretary of state (1976–2022).
Franklin Pierce		New Hampshire	Democratic	Nov 23, 1804	24 years, 45 days	Jan 7, 1829 – Jan 2, 1833	President of the United States (1853–1857)
Mary Landrieu		Louisiana	Democratic	Nov 23, 1955	24 years, 52 days	Jan 14, 1980 – Jan 1988	Daughter of Moon Landrieu. Later U.S. senator (1997–2015).
Lewis Cass		Ohio	Democratic-Republican	Oct 9, 1782	24 years, 53 days	Dec 1, 1806 – 1807	Governor of the Territory of Michigan (1813–1831), Secretary of War (1831–1836), U.S. senator (1845–1848, 1849–1857), Democratic Party nominee for president of the United States (1848), president pro tempore of the U.S. Senate (1854) and Secretary of State (1857–1860).
Theodore A. Glynn		Massachusetts	Democratic	Nov 8, 1881	24 years, 56 days	Jan 3, 1906 – Jan 2, 1907	Later candidate for mayor of Boston (1925).
Chuck Schumer		New York	Democratic	Nov 3, 1950	24 years, 59 days	Jan 1, 1975 – Dec 31, 1980	Later U.S. senator
J. Chris Newton		Tennessee	Republican	Nov 9, 1970	24 years, 62 days	Jan 10, 1995 – Sep 1, 2005
Cornelius H. Toland		Massachusetts	Democratic	Nov 2, 1868	24 years, 63 days	Jan 4, 1893 – Jan 2, 1895
John Gard		Wisconsin	Republican	Aug 3, 1963	24 years, 70 days	Oct 12, 1987 – Jan 3, 2007	Speaker of the state House (2003–2007).
Terry Miller		Alaska	Republican	Nov 10, 1942	24 years, 74 days	Jan 23, 1967 – Jan 10, 1977
Conrad Hilton		New Mexico	Republican	Dec 25, 1887	24 years, 77 days	Mar 11, 1912 – 1916	Founder of Hilton Hotels.
Abner Arrasmith		Kansas	Republican	Oct 15, 1844	24 years, 88 days	Jan 11, 1869 – Jan 9, 1871
Edmund Dinis		Massachusetts	Democratic	Oct 4, 1924	24 years, 93 days	Jan 5, 1949 – 1951	Later state senator (1953–1957).
Brian Dempsey		Massachusetts	Democratic	Sep 30, 1966	24 years, 94 days	Jan 2, 1991 – July 19, 2017
Dave Obey		Wisconsin	Democratic	Oct 3, 1938	24 years, 96 days	Jan 7, 1963 – Apr 1, 1969	U.S. representative (1969–2011).
Stephen McGrail		Massachusetts	Democratic	Sep 23, 1948	24 years, 102 days	Jan 3, 1973 – Jan 4, 1977
Joseph Edward Duffy		Massachusetts	Democratic	Sep 25, 1912	24 years, 103 days	Jan 6, 1937 – Jan 4, 1939 Jan 1, 1947 – Jan 5, 1949
William F. Galvin		Massachusetts	Democratic	Sep 17, 1950	24 years, 106 days	Jan 1, 1975 – Jan 2, 1991	Later Massachusetts Secretary of the Commonwealth (1995–present).
Melanie Stambaugh		Washington	Republican	Sep 25, 1990	24 years, 109 days	Jan 12, 2015 – Jan 14, 2019
Rodolphe G. Bessette		Massachusetts	Democratic	Sep 14, 1911	23 years, 110 days	Jan 2, 1935 – Jan 4, 1939 Jan 1, 1941 – Jan 3, 1951
Zach Brown		Montana	Democratic	Sep 18, 1990	24 years, 110 days	Jan 6, 2015 – Jan 4, 2021
William G. Arvanitis		Massachusetts	Republican	Sep 16, 1946	24 years, 112 days	Jan 6, 1971 – Jan 3, 1973
John J. Gilbride		Massachusetts	Democratic	Sep 14, 1889	24 years, 115 days	Jan 7, 1914 – Jan 5, 1916
Bill Keating		Massachusetts	Democratic	Sep 6, 1952	24 years, 119 days	Jan 3, 1977 – Jan 3, 1985	Later state senator (1985–1999) and U.S. representative (2011–present).
Cynthia Lummis		Wyoming	Republican	Sep 10, 1954	24 years, 120 days	Jan 8, 1979 – Jan 3, 1983, Jan 7, 1985 – Jan 14, 1993	Later state senator (1993–1995), treasurer (1999–2007), U.S. representative (2009–2017) and U.S. senator (2021–present).
Isaac Kinsey Wilson		Iowa	Republican	Sep 12, 1867	24 years, 121 days	Jan 11, 1892 – Jan 7, 1894
Melvin Laird		Wisconsin	Republican	Sep 1, 1922	24 years, 122 days	Jan 1, 1947 – Jan 1, 1953	Succeeded his deceased father in office, becoming the youngest-ever Wisconsin state senator. Later United States Secretary of Defense (1969–1973).
Bruce E. Wetherbee		Massachusetts	Democratic	Sep 1, 1950	24 years, 122 days	Jan 1, 1975 – Jan 1, 1985
Dave Norman Vigneault		Massachusetts	Democratic	Sep 3, 1936	24 years, 123 days	Jan 4, 1961 – Jan 6, 1971
Martin Sennet Conner		Mississippi	Democratic	Aug 31, 1891	24 years, 126 days	Jan 4, 1916 – Jan 1924	Governor of Mississippi (1932–1936)
Thomas P. White		Massachusetts	Democratic	Aug 27, 1950	24 years, 127 days	Jan 1, 1975 – Jan 6, 1987	Later state senator (1987–1991).
Martin Thomas Reilly		Massachusetts	Democratic	Sep 1, 1956	24 years, 128 days	Jan 7, 1981 – Jan 4, 1989
Alisha Thomas Morgan		Georgia	Democratic	Sep 5, 1978	24 years, 130 days	Jan 13, 2003 – Jan 12, 2015
Justin Simmons		Pennsylvania	Republican	Aug 26, 1986	24 years, 131 days	Jan 4, 2011 – Jan 5, 2021
Anesa Kajtazović		Iowa	Democratic	Aug 30, 1986	24 years, 133 days	Jan 10, 2011 – Jan 11, 2015
Joe Fitzgibbon		Washington	Democratic	Aug 27, 1986	24 years, 136 days	Jan 10, 2011 – present
Shane Broadway		Arkansas	Democratic	Aug 30, 1972	24 years, 136 days	Jan 13, 1997 – Jan 13, 2003	Youngest-ever speaker of the Arkansas House. Later state senator (2003–2011) and nominee for lieutenant governor (2010).
Kurt Zwikl		Pennsylvania	Democratic	Jun 28, 1949	24 years, 140 days	Nov 15, 1973 – Nov 30, 1984
Earl Blumenauer		Oregon	Democratic	Aug 16, 1948	24 years, 145 days	Jan 8, 1973 – Jan 1, 1979	Later U.S. representative (1996–present).
J. C. W. Beckham		Kentucky	Democratic	Aug 5, 1869	24 years, 149 days	Jan 1, 1894 – Jan 1, 1898	Became the youngest-ever Kentucky state legislator. Later lieutenant governor (1900), governor (1900–1907) and U.S. senator (1915–1921).
Enoch Louis Lowe		Maryland	Democratic	Aug 10, 1820	24 years, 151 days	Jan 8, 1845 – 1845	Governor of Maryland (1851–1854)
Khaleel Anderson		New York	Democratic	Jun 11, 1996	24 years, 154 days	Nov 12, 2020 – present
Temple Lea Houston		Texas	Democratic	Aug 12, 1860	24 years, 154 days	Jan 13, 1885 – 1889	Youngest-ever Texas state senator. Son of Sam Houston.
Jim Slattery		Kansas	Democratic	Aug 4, 1948	24 years, 157 days	Jan 8, 1973 – Jan 8, 1979	Later U.S. representative (1983–1995).
Romaine Quinn		Wisconsin	Republican	Jul 30, 1990	24 years, 157 days	Jan 3, 2015 – Jan 4, 2021	Elected mayor of Rice Lake at 19.
Frederick L. Zimmerman		New York	Democratic	Jul 28, 1906	24 years, 157 days	Jan 1, 1931 – Jan 1, 1935
David Nelson		Alaska	Republican	Aug 13, 1996	24 years, 159 days	Jan 19, 2021 – present
Timothy Sullivan		New York	Democratic	Jul 23, 1862	24 years, 162 days	Jan 1, 1887 – Dec 31, 1893	Later state senator (1894–1902; 1909–1912) and U.S. representative (1903–1906; 1913)
Maurice R. Flynn		Massachusetts	Democratic	Jul 28, 1889	24 years, 163 days	Jan 7, 1914 – Jan 5, 1916
Kathleen A. Blatz		Minnesota	Republican	Jul 22, 1954	24 years, 165 days	Jan 3, 1979 – Jan 24, 1994	Youngest-ever female Minnesota state legislator. Daughter of state senator Jerome Blatz.
Denny Heck		Washington	Democratic	Jul 29, 1952	24 years, 165 days	Jan 10, 1977 – Jan 14, 1985	Later U.S. representative (2013–2021) and lieutenant governor (2021–present).
Corey Parent		Vermont	Republican	Jul 8, 1990	24 years, 183 days	Jan 7, 2015 – present	Elected to Vermont House of Representatives in 2014; elected to Vermont State Senate in 2018.
Rebecca White		Vermont	Democratic	Jul 9, 1994	24 years, 184 days	Jan 9, 2019 – present
Ryan W. Pearson		Rhode Island	Democratic	Jun 30, 1988	24 years, 185 days	Jan 1, 2013 – present
Adam Scanlon		Massachusetts	Democratic	Jul 5, 1996	24 years, 185 days	Jan 6, 2021 – present
Ernest Ray Kirkpatrick		Texas	Democratic	Jul 9, 1922	24 years, 189 days	Jan 14, 1947 – Jan 13, 1953
William Knowland		California	Republican	Jun 26, 1908	24 years, 190 days	Jan 2, 1933 – Jan 7, 1935	Later U.S. senator
Charles S. Sullivan		Massachusetts	Democratic	Jun 26, 1875	24 years, 191 days	Jan 3, 1900 – Jan 1, 1902	Later state senator (1902–1903, 1904–1905).
Zebulon Baird Vance		North Carolina	Whig	May 13, 1830	24 years, 191 days	Nov 20, 1854 – Nov 17, 1856	Later U.S. representative (1858–1861), governor (1862–1865, 1877–1879) and U.S. senator (1879–1894).
Lewis Miles		Iowa	Republican	Jun 30, 1845	24 years, 194 days	Jan 10, 1870 – Jan 7, 1872	Later state senator (1884–1888).
Silas D. Reed		Massachusetts	Republican	Jun 25, 1872	24 years, 195 days	Jan 6, 1897 – Jan 7, 1903	Later state senator (1905–1907, 1918–1923).
William E. Weeks		Massachusetts	Republican	Jun 23, 1880	24 years, 195 days	Jan 4, 1905 – Jan 5, 1910, Jan 5, 1916 – Jan 3, 1917	Later mayor of Everett (1918–1919).
Frank A. Manning		Massachusetts	Democratic	Jun 25, 1889	24 years, 196 days	Jan 7, 1914 – Jan 5, 1921
Dennis M. O'Brien		Pennsylvania	Republican	Jun 22, 1952	24 years, 196 days	Jan 4, 1977 – Nov 30, 1980, Jan 5, 1983 – Jan 2, 2012	Speaker of the state House (2007–2008).
Thomas E. Flaherty		Pennsylvania	Democratic	Jun 18, 1950	24 years, 199 days	Jan 3, 1975 – Jan 2, 1979	Later member of the Pittsburgh City Council (1980–1984), city controller (1984–2006) and chair of the Allegheny County Democratic Party (2002–2005).
Dirk Deaton		Missouri	Republican	Jun 14, 1994	24 years, 205 days	Jan 5, 2019 – present	Second ever youngest Missouri state representative.
John Vinich		Wyoming	Democratic	Jun 13, 1950	24 years, 207 days	Jan 6, 1975 – Jan 3, 1983	Elected to the Wyoming Senate in 1982.
Charles A. Wickliffe		Kentucky	Democratic-Republican	Jun 8, 1788	24 years, 207 days	Jan 1, 1813 – Jan 1, 1815	U.S. representative (1823–1833, 1861–1863), lieutenant governor (1836–1839), acting governor (1839–1840) and postmaster general (1841–1845).
Mack McLarty		Arkansas	Democratic	Jun 14, 1946	24 years, 210 days	Jan 10, 1971 – Jan 8, 1973	Later chair of the Democratic Party of Arkansas (1974–1976), White House chief of staff (1993–1994) and counselor to the president (1994–1998).
Robert Xavier Tivnan		Massachusetts	Democratic	Jun 9, 1924	24 years, 210 days	Jan 5, 1949 – Jan 7, 1959
George J. Wall		Massachusetts	Democratic	Jun 11, 1889	24 years, 210 days	Jan 7, 1914 – Jan 3, 1917
Lorne R. Worthington		Iowa	Democratic	Jun 14, 1938	24 years, 214 days	Jan 14, 1963 – Jan 10, 1965	Later state auditor (1965–1967) and insurance commissioner (1967–1971).
Andy Welti		Minnesota	Democratic	May 28, 1980	24 years, 221 days	Jan 4, 2005 – Jan 3, 2011
Aaron M. I. Shinberg		Massachusetts	Democratic	May 27, 1940	24 years, 224 days	Jan 6, 1965 – Jan 1, 1969
Owen A. Gallagher		Massachusetts	Democratic	May 24, 1902	24 years, 226 days	Jan 5, 1927 – Jan 4, 1933	Son of Daniel J. Gallagher. Later state senator (1933–1935).
John Y. Mason		Kentucky	[?]	Apr 18, 1799	24 years, 227 days	Dec 1, 1823 – 1827	Later state senator (1827–1831), U.S. representative (1831–1837), secretary of the navy (1844–1845, 1846–1849) and attorney general (1845–1846).
John R. McKernan Jr.		Maine	Republican	May 20, 1948	24 years, 228 days	Jan 3, 1973 – Jan 5, 1977	Later U.S. representative (1983–1987) and governor (1987–1995).
Charles O. Engstrom		Massachusetts	Republican	May 19, 1875	24 years, 229 days	Jan 3, 1900 – Jan 2, 1901
Cathy McMorris Rodgers		Washington	Republican	May 22, 1969	24 years, 230 days	Jan 7, 1994 – Jan 3, 2005	Later U.S. representative (2005–present).
Anthony Michael Gallugi		Massachusetts	Democratic	May 16, 1948	24 years, 232 days	Jan 3, 1973 – Jan 3, 1979
Murray Watson Jr.		Texas	Democratic	May 14, 1932	24 years, 239 days	Jan 8, 1957 – Jan 8, 1963	Later state senator (1963–1973).
Bartholomew A. Brickley		Massachusetts	Democratic	May 7, 1883	24 years, 239 days	Jan 1, 1908 – Jan 5, 1910
Paul F. Malloy		Massachusetts	Democratic	Apr 29, 1940	24 years, 252 days	Jan 6, 1965 – Jan 3, 1973
H. Edward Snow		Massachusetts	Republican	Apr 25, 1914	24 years, 254 days	Jan 4, 1939 – Jan 2, 1945, Jan 1, 1947 – Jan 4, 1955
Chuck Espy		Mississippi	Democratic	Apr 24, 1975	24 years, 255 days	Jan 4, 2000 – Jan 5, 2016	Son of Henry Espy and nephew of Mike Espy. Later mayor of Clarksdale (2017–present).
James Langevin		Rhode Island	Democratic	Apr 22, 1964	24 years, 256 days	Jan 3, 1989 – Jan 3, 1995	Elected Secretary of State of Rhode Island in 1994. Elected to the U.S. House of Representatives in 2000.
Marty Seifert		Minnesota	Republican	Apr 23, 1972	24 years, 259 days	Jan 7, 1997 – Jan 3, 2011
Park Cannon		Georgia	Democratic	Jun 6, 1991	24 years, 261 days	Feb 22, 2016 – present
John Pierce Lynch		Massachusetts	Democratic	Apr 19, 1924	24 years, 261 days	Jan 5, 1949 – Jan 7, 1953
Romulus Mitchell Saunders		North Carolina	Independent	Mar 3, 1791	24 years, 262 days	Nov 20, 1815 – Dec 21, 1815, Nov 17, 1817 – Dec 25, 1820, Nov 20, 1848 – Dec 27, 1852	Later state senator (1816), speaker of the state House (1819–1820), U.S. representative (1821–1827, 1841–1845), and state attorney general (1828–1834).
			Democratic
Marcus Gaspard		Washington	Democratic	Apr 19, 1948	24 years, 264 days	Jan 8, 1973 – Jan 10, 1977	Later state senator (1977–1995).
Tyson Larson		Nebraska	Republican	Apr 16, 1986	24 years, 264 days	Jan 5, 2011 – Jan 9, 2019
Samuel J. Crawford		Kansas	Republican	Apr 10, 1835	24 years, 267 days	Jan 2, 1860 – 1861	Governor of Kansas (1865–1868)
Thomas W. Nevin		Colorado	Democratic	Feb 11, 1910	24 years, 269 days	Nov 7, 1934 – Nov 9, 1936	While Colorado requires state legislators to have reached age 25, Jerry Kopel states that "apparently no one questioned whether he met the age requirement".
Alexander H. Stephens		Georgia	Whig	Feb 11, 1812	24 years, 270 days	Nov 7, 1836 – Dec 9, 1841	Later state senator (1842), U.S. representative (1843–1859, 1873–1882), member of the Provisional Congress of the Confederate States (1861–1862), vice president of the Confederate States (1862–1865) and governor of Georgia (1882–1883).
Kenneth J. DeBeaussaert		Michigan	Democratic	Apr 10, 1954	24 years, 275 days	Jan 10, 1979 – Jan 1981, Jan 12, 1983 – Jan 1985, Jan 14, 1987 – Jan 1993	Later state senator (1995–2003).
Carl M. Iverson		Minnesota	Independent	Apr 6, 1894	24 years, 276 days	Jan 7, 1919 – Jan 5, 1931 Jan 3, 1939 – Jan 2, 1967	Later state senator (1931–1935).
Emily Cain		Maine	Democratic	Mar 29, 1980	24 years, 278 days	Jan 1, 2005 – Dec 5, 2012	Maine House of Representatives Minority Leader 2008-2010; in 2012 elected to State Senate, served until 2014; currently the executive director of EMILY's List
Don Wesely		Nebraska	Democratic	Mar 30, 1954	24 years, 279 days	Jan 3, 1979 – Jan 1999	At the time the third ever youngest Nebraska state legislator, and at his retirement the eighth-longest serving legislator in state history. Later mayor of Lincoln (1999–2003).
Joe Schomacker		Minnesota	Republican	Mar 25, 1986	24 years, 284 days	Jan 3, 2011 – present
Stephen W. Doran		Massachusetts	Democratic	Mar 26, 1956	24 years, 287 days	Jan 7, 1981 – Jan 4, 1995
Joe Crowley		New York	Democratic	March 16, 1962	24 years, 291 days	Jan 1, 1987 – Dec 31, 1998	Elected to the U.S. House of Representatives in 1998.
John N. Wozniak		Pennsylvania	Democratic	Mar 21, 1956	24 years, 291 days	Jan 6, 1981 – Nov 27, 1996	Elected to the state senate in 1996.
Dan Gwadosky		Maine	Democratic	Feb 16, 1954	24 years, 293 days	Dec 6, 1978 – 1996	Later secretary of state (1997–2005).
James G. Birney		Kentucky	Democratic-Republican	Feb 4, 1792	24 years, 302 days	Dec 2, 1816 – Feb 5, 1817	Later Liberty Party nominee for vice president of the United States (1840, 1844).
Dave L. Reed		Pennsylvania	Republican	Mar 6, 1978	24 years, 307 days	Jan 7, 2003 – Nov 30, 2018	Majority leader from 2015 to 2018.
William L. V. Newton		Massachusetts	Democratic	Feb 28, 1881	24 years, 309 days	Jan 3, 1906 – Jan 1, 1908, Jan 4, 1911 – Jan 3, 1912
Theodore A. Glynn Jr.		Massachusetts	Democratic	Feb 26, 1916	24 years, 310 days	Jan 1, 1941 – Jan 6, 1943	Son of Theodore A. Glynn.
James A. Barcia		Michigan	Democratic	Feb 25, 1952	24 years, 311 days	Jan 1, 1977 – Dec 31, 1982	Later state senator (1983–1992, 2003–2010), U.S. representative (1993–2003) and Bay County Executive (2017–present).
Alexander Contee Hanson		Maryland	Federalist	Feb 27, 1786	24 years, 316 days	Jan 9, 1811 – 1815	U.S. senator (1816–1819). Son of Alexander Contee Hanson Sr. and grandson of John Hanson.
Webster Ballinger		Iowa	Democratic	Feb 25, 1841	24 years, 317 days	Jan 8, 1866 – Jan 12, 1868, Jan 8, 1872 – Jan 11, 1874
Joseph J. Kelley		Massachusetts	Democratic	Feb 22, 1868	24 years, 317 days	Jan 4, 1893 – Jan 2, 1895
Joseph Wenceslaus Bartunek		Ohio	Democratic	Feb 16, 1924	24 years, 320 days	Jan 1, 1949 – 1958 1959–1964	Minority leader (1951–1958)
Tim Hickey		Massachusetts	Democratic	Feb 14, 1938	24 years, 322 days	Jan 2, 1963 – Jan 3, 1973
Samantha Vang		Minnesota	Democratic	Feb 20, 1994	24 years, 322 days	Jan 8, 2019 – present
Richard P. Roche		Massachusetts	Democratic	Feb 15, 1952	24 years, 325 days	Jan 5, 1977 – Jan 7, 1981
Daniel J. O'Connell		Massachusetts	Democratic	Feb 13, 1908	24 years, 326 days	Jan 4, 1933 – Jan 2, 1935
Jake LaTurner		Kansas	Republican	Feb 17, 1988	24 years, 327 days	Jan 9, 2013 – Apr 25, 2017	Later state treasurer (2017–2021) and U.S. representative (2021–present).
George Hasay		Pennsylvania	Republican	Feb 7, 1948	24 years, 329 days	Jan 1, 1973 – Nov 30, 2006
William Nathaniel Rogers		New Hampshire	Democratic	Jan 10, 1892	24 years, 331 days	Dec 6, 1916 – Dec 1, 1920	U.S. representative (1923–1925, 1932–1937)
George S. Burgess		Massachusetts	Republican	Jan 30, 1876	24 years, 337 days	Jan 2, 1901 – Jan 1, 1902
Calvin Say	File:Say-Calvin-KY-crop-1333x2000.jpg	Hawaii	Democratic	Feb 1, 1952	24 years, 337 days	Jan 3, 1977 – present	Later Speaker of the Hawaii House of Representatives
Donald Betts		Kansas	Democratic	Feb 8, 1978	24 years, 339 days	Jan 13, 2003 – Jan 13, 2004	State senator from 2004 to 2009
James E. Hagan		Massachusetts	Democratic	Jan 25, 1902	24 years, 345 days	Jan 5, 1927 – 1932	Later mayor of Somerville (1934–1936).
Aaron Regunberg		Rhode Island	Democratic	Jan 26, 1990	24 years, 345 days	Jan 6, 2015 – Jan 1, 2019	Candidate for lieutenant governor in 2018.
Thomas E. Bramlette		Kentucky	Whig	Jan 3, 1817	24 years, 362 days	Dec 31, 1841 – Mar 3, 1842	Son of state senator Ambrose S. Bramlette. Later governor (1863–1867).
Robert T. Abernathy		Missouri	Democratic	1884	24 years	Jan 6, 1909 – [?]
George Bradley		Minnesota	[?]	1833	24 years	Dec 2, 1857 – Dec 6, 1859	Speaker of the House (1858–1859).
Elmer L. Brown		Kentucky	Democratic	1890	24 years	Jan 6, 1909 – [?]
Leah Cole Allen		Massachusetts	Republican	1988/1989	24 years	May 1, 2013 – Sep 28, 2015	Later nominee for lieutenant governor (2022).
John L. Helm		Kentucky	Whig	Jul 4, 1802	24 years	1826–1843	Later state senator (1844), lieutenant governor (1848–1850) and governor (1850–1851, 1867).
Grant Hodges		Arkansas	Republican	1990	24 years	Jan 12, 2015 – Jul 10, 2020
Gregory Mayhew		Massachusetts	Republican	Sep 19, 1945	24 years	1969 – Jan 3, 1973	Succeeded his deceased father in office.
Andy Vargas		Massachusetts	Democratic	1993	24 years	Nov 15, 2017 – present
Timothy Wesco		Indiana	Republican	Dec 1985	24 years	Nov 3, 2010 – present
Gino White		Idaho	Democratic	1962–1963	24 years	1987 – Dec 1, 1994	Appointed by governor Cecil Andrus. Defeated in 1994.
Benjamin F. Williamson		Arkansas	Democratic	1856	24 years	1881
Jim Yost		Idaho	Republican	1948	24 years	Dec 1, 1972 – Dec 1, 1976
Carter Braxton		Virginia	Independent	Sep 10, 1736	24–25 years	1761 – [?]	Signer of the Declaration of Independence and Founding Father.
Thomas Fitzgerald		Virginia	Independent	Apr 10, 1796	24–25 years	1821 1825–1827	Later Michigan state representative (1839) and U.S. senator (1848–1849).
Robert P. Letcher		Kentucky	Democratic-Republican	Feb 10, 1788	24–25 years	1813–1815, 1817–1821	Later U.S. representative (1823–1833, 1834–1835) and governor (1840–1844)
George Mason III		Virginia	Independent	1690	24–25 years	1715 – 1726	Son of George Mason II.
Thomson Mason		Virginia	Independent	Aug 14, 1733	24–25 years	1758–1761, 1766–1772, 1777–1779, 1783–1784	Son of George Mason III.
James Moore Wayne		Georgia	Independent	1790	24–25 years	1815–1816	Later mayor of Savannah (1817–1819), U.S. representative (1829–1835) and associate justice of the Supreme Court (1835–1867).
Art Hamilton		Arizona	Democratic	Jan 19, 1948	25 years, 0 days	Jan 19, 1973 – Jan 11, 1999	Youngest-ever Arizona legislator. Originally elected in 1972, Hamilton was nine days too young to take office at the start of the legislative session, and his seat was declared vacant. On his 25th birthday, the Maricopa County Board of Supervisors appointed him back to the seat.
J. Louis Leblanc		Massachusetts	Democratic	Jan 6, 1940	25 years, 0 days	Jan 6, 1965 – Jan 6, 1971
Patrick H. O'Connor		Massachusetts	Democratic	Jan 1, 1882	25 years, 1 day	Jan 2, 1907 – Jan 4, 1911
Tony Sertich		Minnesota	Democratic	Jan 2, 1976	25 years, 1 day	Jan 3, 2001 – Jan 13, 2011
Ralph Collins Mahar		Massachusetts	Republican	Jan 4, 1912	25 years, 2 days	Jan 6, 1937 – Jan 3, 1945	Later state senator (1947–1962).
Sam Rayburn		Texas	Democratic	Jan 6, 1882	25 years, 2 days	Jan 8, 1907 – Jan 14, 1913	Later speaker of the Texas House of Representatives, U.S. representative, and speaker of the U.S. House of Representatives
Thomas Oliver Martin		Texas	Democratic	Jan 9, 1866	25 years, 4 days	Jan 13, 1891 – Jan 10, 1893
Richard Knowles		Massachusetts	Republican	Jan 1, 1889	25 years, 6 days	Jan 7, 1914 – Jan 5, 1916	Later state senator (1916–1918).
Harry Draper Hunt		Massachusetts	Republican	Dec 27, 1874	25 years, 7 days	Jan 3, 1900 – Jan 7, 1903
Louis Jenkins		Louisiana	Democratic	Jan 3, 1947	25 years, 7 days	Jan 10, 1972 – Jan 10, 2000	Switched to the Republican Party in 1994. Republican nominee for U.S. senator in 1996.
			Republican
Daniel P. Manning		New Hampshire	Democratic	Dec 24, 1875	25 years, 9 days	Jan 2, 1901 – [?]
Robert Barnwell		South Carolina	Independent	Dec 21, 1761	25 years, 11 days	Jan 1, 1787 – Nov 4, 1788, Jan 15, 1790 – Dec 20, 1791, Nov 24, 1794 – Dec 19, 1801	Speaker of the House (1794–1797), state senator (1804–1805) and president of the state senate (1805).
			Federalist
Jena Powell	File:Jena Powell.jpg	Ohio	Republican	Dec 25, 1993	25 years, 13 days	Jan 7, 2019 – present
William R. Poage		Texas	Democratic	Dec 28, 1899	25 years, 16 days	Jan 13, 1925 – Jan 8, 1929	Later state senator (1931–1937) and U.S. representative (1937–1978).
Rick Nolan		Minnesota	Democratic	Dec 17, 1943	25 years, 21 days	Jan 7, 1969 – Jan 1, 1973	Later U.S. representative (1975–1981, 2013–2019).
Alfred Kelley		Ohio	Democratic-Republican	Nov 7, 1789	25 years, 24 days	Dec 1, 1814 – Jan 28, 1817, Dec 1, 1819 – 1820 1836–1839	State senator 1821–1823, 1844–1846, and 1856–1857.
Gates Lucas		New Hampshire	Republican	Nov 10, 1993	25 years, 25 days	Dec 5, 2018 – Jul 14, 2020
James F. Creed		Massachusetts	Democratic	Dec 4, 1869	25 years, 29 days	Jan 2, 1895 – Jan 6, 1897
Richard M. Scammon		New Hampshire	Democratic	Dec 6, 1859	25 years, 32 days	Jan 7, 1885 – Jan 5, 1887	Later state senator (1891–[?]).
Jonathan Shell		Kentucky	Republican	Dec 1, 1987	25 years, 38 days	Jan 8, 2013 – Jan 1, 2019
Richard Lester Hull		Massachusetts	Republican	Nov 30, 1917	25 years, 37 days	Jan 6, 1943 – Jan 2, 1963
Vincent Francis Cronin		Massachusetts	Democratic	Nov 25, 1925	25 years, 39 days	Jan 3, 1951 – Jan 7, 1953
Cleo Fields		Louisiana	Democratic	Nov 22, 1962	25 years, 40 days	Jan 1, 1988 – Jan 1, 1993	Later Baby of the House during the 103rd Congress
Jerry Kleczka		Wisconsin	Democratic	Nov 26, 1943	25 years, 41 days	Jan 6, 1969 – Jan 6, 1975	Later state senator (1975–1984) and U.S. representative (1984–2005).
Wlnsvey Campos		Oregon	Democratic	Nov 30, 1995	25 years, 42 days	Jan 11, 2021 – present
Francis X. Quigley		Massachusetts	Democratic	Nov 20, 1882	25 years, 42 days	Jan 1, 1908 – Jan 4, 1911	Later state senator (1911–1914).
John Gary Evans		South Carolina	Democratic	Oct 15, 1863	25 years, 43 days	Nov 27, 1888 – Nov 22, 1892, Jan 9, 1923 – Jan 13, 1925	Youngest South Carolina state representative, state senator and governor.
Tommy Thompson		Wisconsin	Republican	Nov 19, 1941	25 years, 44 days	Jan 2, 1967 – Jan 5, 1987	Later minority leader (1981–1987), governor (1987–2001) and U.S. secretary of health and human services (2001–2005).
George Washington Adams		Massachusetts	Democratic-Republican	Apr 12, 1801	25 years, 49 days	May 31, 1826 – 1827	Son of president John Quincy Adams and grandson of president John Adams.
James W. Pridham		New Hampshire	Democratic	Nov 13, 1875	25 years, 50 days	Jan 2, 1901 – [?]
Carl Vinson		Georgia	Democratic	Nov 18, 1883	25 years, 54 days	Jan 11, 1909 – 1914	Later U.S. representative and dean of the U.S. House
John A. Rowan		Massachusetts	Democratic	Nov 9, 1872	25 years, 57 days	Jan 5, 1898 – Jan 4, 1899
Robert C. Brown		Massachusetts	Republican	Nov 5, 1867	25 years, 60 days	Jan 4, 1893 – Jan 2, 1895
Frederick Clement Hailer Jr.		Massachusetts	Democratic	Nov 3, 1923	25 years, 63 days	Jan 5, 1949 – Jan 7, 1953
Dan Zwonitzer		Wyoming	Republican	Oct 30, 1979	25 years, 65 days	Jan 3, 2005 – present	Son of David Zwonitzer, who also served in the House 2007–2017.
Michael E. McLaughlin		Massachusetts	Democratic	Oct 27, 1945	25 years, 71 days	Jan 6, 1971 – Jan 5, 1977
William M. McMorrow		Massachusetts	Democratic	Oct 22, 1885	25 years, 74 days	Jan 4, 1911 – Jan 1, 1913, Jan 7, 1914 – Jan 5, 1916, Jan 2, 1929 – Jan 7, 1931
Thomas Guastello		Michigan	Democratic	Oct 25, 1943	25 years, 75 days	Jan 8, 1969 – Jan 8, 1975	Later state senator (1975–1983).
James Skoufis		New York	Democratic	Oct 18, 1987	25 years, 75 days	Jan 1, 2013 – Dec 31, 2018	Later state senator (2019–present).
Jon Rotenberg		Massachusetts	Democratic	Oct 21, 1947	25 years, 74 days	Jan 3, 1973 – Jan 1, 1975
Ryan Guillen		Texas	Democratic	Oct 27, 1977	25 years, 79 days	Jan 14, 2003 – present	Switched to the Republican Party in November 2021.
			Republican
Donovan W. Burington		Iowa	Democratic	Oct 25, 1909	25 years, 81 days	Jan 14, 1935 – Jan 10, 1937
Alan Wheat		Missouri	Democratic	Oct 16, 1951	25 years, 81 days	Jan 5, 1977 – Jan 1983	U.S. representative (1983–1995) and nominee for U.S. senate (1994).
Lauren Matsumoto		Hawaii	Republican	Aug 16, 1987	25 years, 82 days	Nov 6, 2012 – present
Stephen Adams		Tennessee	Democratic	Oct 17, 1807	25 years, 83 days	Jan 8, 1833 – 1834	Later Mississippi state representative (1850), U.S. representative (1845–1847) and U.S. senator (1852–1857).
William P. McLean		Texas	Democratic	Aug 9, 1836	25 years, 87 days	Nov 4, 1861 – Jan 7, 1862, Feb 8, 1870 – Jan 14, 1873	Later U.S. representative (1873–1875).
Jonathan Healy		Massachusetts	Republican	Oct 10, 1945	25 years, 88 days	Jan 6, 1971 – Jan 6, 1993	Later Massachusetts Commissioner of Food and Agriculture (1993–2003).
Josiah Magnuson		South Carolina	Republican	Aug 17, 1991	25 years, 89 days	Nov 14, 2016 – present
Timothy Joseph Cooney		Massachusetts	Democratic	Sep 30, 1909	25 years, 94 days	Jan 2, 1935 – Jan 6, 1937
William T. Minor		Connecticut	Independent	Oct 3, 1815	25 years, 95 days	Jan 6, 1841 – 1848	Later state senator (1854–1855) and governor (1855–1857).
Colton Moore		Georgia	Republican	Oct 10, 1993	25 years, 96 days	Jan 14, 2019 – Jan 14, 2021
Tom Schieffer		Texas	Democratic	Oct 4, 1947	25 years, 97 days	Jan 9, 1973 – Jan 9, 1979
Dennis J. Kearney		Massachusetts	Democratic	Sep 25, 1949	25 years, 98 days	Jan 1, 1975 – Jan 3, 1979	Later sheriff of Suffolk County (1979–1987) and candidate for mayor of Boston (1983).
Emery L. Frazier		Kentucky	Democratic	Sep 24, 1896	25 years, 99 days	Jan 1, 1922 – Jan 1, 1924
Lawrence M. Henry		Colorado	Democratic	Oct 1, 1915	25 years, 99 days	Jan 8, 1941 – May 15, 1942, Jan 8, 1947 – Jan 12, 1949	Later state senator (1949–1953).
James Walter Elder		Louisiana	Democratic	Oct 5, 1882	25 years, 100 days	Jan 13, 1908 – Jan 8, 1912	Later U.S. representative (1913–1915).
Timothy Joseph Murphy		Massachusetts	Democratic	Sep 23, 1909	25 years, 101 days	Jan 2, 1935 – Jan 4, 1939
Andrew Natsios		Massachusetts	Republican	Sep 22, 1949	25 years, 101 days	Jan 1, 1975 – Jan 6, 1987	Later chair of the Massachusetts Republican Party (1980–1987), state secretary of administration and finance (1999–2000) and administrator of USAID (2001–2006).
Byron G. Allen		Iowa	Republican	Sep 13, 1901	25 years, 110 days	Jan 1, 1927 – 1932	At the time the youngest-ever Iowa state legislator. Son of state senator Joseph H. Allen. Later Democratic–Farmer–Labor Party nominee for governor of Minnesota (1944) and commissioner of the Minnesota Department of Agriculture (1955–1961).
Kika de la Garza		Texas	Democratic	Sep 22, 1927	25 years, 113 days	Jan 13, 1953 – Jan 1965	U.S. representative (1965–1997)
Benjamin Downing		Massachusetts	Democratic	Sep 11, 1981	25 years, 114 days	Jan 3, 2007 – Jan 4, 2017
Ajay Pittman		Oklahoma	Democratic	Sep 10, 1993	25 years, 115 days	Jan 3, 2019 – present	Daughter of Anastasia Pittman.
Peter J. Fitzgerald		Massachusetts	Democratic	Sep 13, 1899	25 years, 116 days	Jan 7, 1925 – Jan 4, 1933
Tom Craddick		Texas	Republican	Sep 19, 1943	25 years, 117 days	Jan 14, 1969 – present	Longest-serving state legislator in Texas history. Speaker of the House 2003–2009.
Samuel G. Fulton		Minnesota	Republican	Sep 7, 1851	25 years, 117 days	Jan 2, 1877 – Jan 6, 1879
Chuck Grassley		Iowa	Republican	Sep 17, 1933	25 years, 117 days	Jan 12, 1959 – Jan 3, 1975	Later U.S. representative (1975–1981), U.S. senator (1981–present), president pro tempore of the U.S. Senate (2019–2021) and president pro tempore emeritus of the U.S. Senate (2021–present).
William Francis Murray		Massachusetts	Democratic	Sep 7, 1881	25 years, 117 days	Jan 2, 1907 – Jan 6, 1909	Later U.S. representative (1911–1914).
Andrew P. Peterson		Minnesota	[?]	Sep 7, 1851	25 years, 117 days	Jan 2, 1877 – Jan 7, 1878
Timothy F. Callahan		Massachusetts	Democratic	Sep 5, 1881	25 years, 119 days	Jan 2, 1907 – Jan 4, 1911
Daniel Valianti		Massachusetts	Democratic	Sep 1, 1965	25 years, 123 days	Jan 2, 1991 – Jan 1, 1997
Albion Parris		Massachusetts	Democratic-Republican	Jan 19, 1788	25 years, 127 days	May 26, 1813 – May 25, 1814	Later U.S. representative (1815–1818), governor of Maine (1822–1827) and U.S. senator (1827–1828).
John Joseph Craven		Massachusetts	Democratic	Aug 29, 1907	25 years, 128 days	Jan 4, 1933 – Jan 2, 1935, Jan 6, 1937 – Jan 1, 1941
Terrance Joseph Lomax Jr.		Massachusetts	Democratic	Aug 29, 1907	25 years, 128 days	Jan 4, 1933 – Jan 6, 1943
Bushrod Washington		Virginia	Independent	Jun 5, 1762	25 years, 132 days	Oct 15, 1787 – Jun 23, 1788	Son of John Augustine Washington and nephew of president George Washington. Later associate justice of the Supreme Court (1798–1829).
John G. Hagberg		Massachusetts	Republican	Aug 24, 1873	25 years, 133 days	Jan 4, 1899 – Jan 7, 1903
Christopher Hodgkins		Massachusetts	Democratic	Aug 24, 1957	25 years, 134 days	Jan 5, 1983 – Jan 1, 2003
David B. Shaw		Massachusetts	Democratic	Aug 20, 1870	25 years, 134 days	Jan 1, 1896 – Jan 5, 1898, Jan 2, 1901 – Jan 1, 1902, Jan 5, 1910 – Jan 4, 1911
Theodore C. Speliotis		Massachusetts	Democratic	Aug 20, 1953	25 years, 136 days	Jan 3, 1979 – Jan 7, 1987, Jan 1, 1997 – Jan 6, 2021
John F. Harrington		New Hampshire	Democratic	Aug 18, 1875	25 years, 137 days	Jan 2, 1901 – [?]
Henry Parker McLaren		Massachusetts	Republican	Aug 17, 1909	25 years, 138 days	Jan 2, 1935 – Jan 6, 1937
Michael P. Geary		Massachusetts	Democratic	Aug 16, 1868	25 years, 140 days	Jan 3, 1894 – Jan 1, 1896
Rod Johnson		Nebraska	Republican	Aug 18, 1957	25 years, 140 days	Jan 5, 1983 – 1992
George J. Rabouin		Massachusetts	Republican	Aug 19, 1889	25 years, 140 days	Jan 6, 1915 – Jan 5, 1916
Mary Kapsner		Alaska	Democratic	Aug 31, 1973	25 years, 141 days	Jan 19, 1999 – Jan 20, 2009	Later U.S. representative (2022–present).
Kenneth W. Angstman		Minnesota	Independent	Aug 14, 1913	25 years, 142 days	Jan 3, 1939 – Jan 4, 1943
Michael J. Reidy		Massachusetts	Democratic	Aug 8, 1870	25 years, 146 days	Jan 1, 1896 – Jan 5, 1898, Jan 6, 1909 – Jan 5, 1910, Jan 4, 1911 – Jan 1, 1913, Jan 1, 1919 – Jan 7, 1920
Alex Lee		California	Democratic	Jul 11, 1995	25 years, 149 days	Dec 7, 2020 – present
Michael W. Collins		Massachusetts	Democratic	Aug 5, 1869	25 years, 150 days	Jan 2, 1895 – Jan 1, 1896
Adam Brown		Illinois	Republican	Aug 14, 1985	25 years, 151 days	Jan 12, 2011 – Jan 11, 2017
Jason Smith		Missouri	Republican	Jun 16, 1980	25 years, 151 days	Nov 14, 2005 – Jun 4, 2013	U.S. representative (2013–present).
Chris Murphy		Connecticut	Democratic	Aug 3, 1973	25 years, 153 days	Jan 3, 1999 – Jan 3, 2003	U.S. senator (2013–present)
John Schwamm		Alaska	Democratic	Aug 25, 1943	25 years, 155 days	Jan 27, 1969 – Jan 11, 1971
Katrina Shankland		Wisconsin	Democratic	Aug 4, 1987	25 years, 156 days	Jan 7, 2013 – present
Brereton C. Jones		West Virginia	Democratic	Jun 27, 1939	25 years, 157 days	Dec 1, 1964 – Dec 1, 1968	Son of state senator E. Bartow Jones II. Became the youngest-ever West Virginia delegate, and the youngest-ever West Virginia minority leader. Later lieutenant governor of Kentucky (1987–1991) and governor of Kentucky (1991–1995).
Mark E. Lawton		Massachusetts	Democratic	Jul 26, 1949	25 years, 159 days	Jan 1, 1975 – Jan 2, 1985
Donald T. Bliss		Massachusetts	Republican	Jul 26, 1937	25 years, 160 days	Jan 2, 1963 – Jan 5, 1977
Louis A. Wiltz		Louisiana	Democratic	Jan 21, 1843	25 years, 160 days	Jun 29, 1868 – Jan 4, 1869	Later mayor of New Orleans (1872–1874), lieutenant governor (1877–1880) and governor (1880–1881).
Denis J. Sullivan		Massachusetts	Democratic	Jul 24, 1889	25 years, 166 days	Jan 6, 1915 – Jan 2, 1918, Jan 2, 1929 – Jan 7, 1931
Percy Lucius Prentis		Iowa	Republican	Jul 28, 1870	25 years, 169 days	Jan 13, 1896 – Jan 12, 1902
Daniel D. Rourke		Massachusetts	Democratic	Jul 16, 1869	25 years, 170 days	Jan 2, 1895 – Jan 5, 1898	Later state senator (1898–1899).
Michael G. Glover		Kansas	Democratic	Jul 21, 1947	25 years, 171 days	Jan 8, 1973 – 1980
Jo Byrns		Tennessee	Democratic	Jul 20, 1869	25 years, 173 days	Jan 9, 1895 – 1901	Later state senator (1901–1903), U.S. representative (1909–1936) and speaker of the House (1935–1936).
Kyle Tasker		New Hampshire	Republican	Jun 6, 1985	25 years, 178 days	Dec 1, 2010 – Mar 9, 2016
Jeff Coleman		Pennsylvania	Republican	Jul 4, 1975	25 years, 182 days	Jan 2, 2001 – Nov 30, 2004
Roger Raymond Fischer		Pennsylvania	Republican	Jun 1, 1941	25 years, 183 days	Dec 1, 1966 – Dec 1, 1988
Albert E. Lynch		Massachusetts	Democratic	Jul 4, 1867	25 years, 184 days	Jan 4, 1893 – Jan 3, 1894
Daniel F. Pokaski		Massachusetts	Democratic	Jun 26, 1949	25 years, 189 days	Jan 1, 1975 – Jan 2, 1983
Carly Melin		Minnesota	Democratic	Aug 13, 1985	25 years, 193 days	Feb 22, 2011 – Jan 2, 2017
Barbara Hernandez		Illinois	Democratic	Aug 23, 1993	25 years, 196 days	Mar 7, 2019 – present
James L. Vallely		Massachusetts	Democratic	Jun 19, 1913	25 years, 199 days	Jan 4, 1939 – Jan 6, 1943
James H. Doyle		Massachusetts	Democratic	Jun 17, 1867	25 years, 201 days	Jan 4, 1893 – Jan 2, 1895	Later state senator (1909–1912).
Mark Falzone		Massachusetts	Democratic	Jun 14, 1975	25 years, 203 days	Jan 3, 2001 – Jan 5, 2011
Mark D. Siljander		Michigan	Republican	Jun 11, 1951	25 years, 204 days	Jan 1, 1977 – Jan 1, 1981
James Madison		Virginia	Independent	Mar 16, 1751	25 years, 205 days	Oct 7, 1776 – Dec 21, 1776	President of the United States (1809–1817)
Jim Sensenbrenner		Wisconsin	Republican	Jun 14, 1943	25 years, 206 days	Jan 6, 1969 – Apr 2, 1975	Later state senator (1975–1979) and U.S. representative (1979–2021).
Marie E. Howe		Massachusetts	Democratic	Jun 13, 1939	25 years, 207 days	Jan 6, 1965 – Jan 4, 1989
Emanuel G. Serra		Massachusetts	Democratic	Jun 12, 1945	25 years, 208 days	Jan 6, 1971 – Jan 6, 1999
Rush Holt		West Virginia	Democratic	Jun 19, 1905	25 years, 209 days	Jan 14, 1931 – Jan 1935
Augustus Gardner Means		Massachusetts	Republican	Jun 8, 1925	25 years, 209 days	Jan 3, 1951 – Jan 5, 1955	Later member of the Governor's Council (1955–1961).
John Joseph Kerrigan Jr.		Massachusetts	Democratic	Jun 8, 1911	25 years, 212 days	Jan 6, 1937 – Jan 1, 1941
Adam Ravenstahl		Pennsylvania	Democratic	Nov 9, 1984	25 years, 212 days	Jun 9, 2010 – Dec 1, 2020
Adam Smith		Washington	Democratic	Jun 15, 1965	25 years, 213 days	Jan 14, 1991 – Jan 3, 1997	Elected to the U.S. House of Representatives in 1996.
Stephen Webber		Missouri	Democratic	Jun 8, 1983	25 years, 213 days	Jan 7, 2009 – Jan 9, 2017	Chair of the Missouri Democratic Party (2016–2018).
Ron Hood		Ohio	Republican	Jun 2, 1969	25 years, 215 days	Jan 3, 1995 – Dec 31, 2000, Jan 3, 2005 – Dec 31, 2006, Jan 7, 2013 – Dec 31, 2020	Later candidate for the U.S. House (2021) and for governor (2022).
Peter Francis Tague		Massachusetts	Democratic	Jun 4, 1871	25 years, 216 days	Jan 6, 1897 – Jan 5, 1898, Jan 1, 1913 – Jan 7, 1914	Previously member of the Boston Common Council (1894–1896). Later state senator (1899–1900) and U.S. representative (1915–1919, 1919–1925).
William H. Hall		Connecticut	Republican	May 31, 1867	25 years, 218 days	Jan 4, 1893 – Jan 4, 1899, Jan 4, 1905 – Jan 9, 1907, Jan 6, 1909 – Jan 8, 1913	Later state senator (1899–1901, 1917–1919, 1921–1922).
Willie Hensley		Alaska	Democratic	Jun 17, 1941	25 years, 220 days	Jan 23, 1967 – Jan 20, 1975, Jan 20, 1987 – Jan 9, 1989
Gouverneur Morris		New York	Independent	Jan 30, 1752	25 years, 222 days	Sep 9, 1777 – Jun 30, 1778	Founding Father of the United States and a signatory to the Articles of Confederation and the United States Constitution
David Ober		Indiana	Republican	Mar 30, 1987	25 years, 222 days	Nov 7, 2012 – Apr 2, 2018
Robert M. T. Hunter		Virginia	Whig	Apr 21, 1809	25 years, 224 days	Dec 1, 1834 – Mar 4, 1837	Later U.S. representative (1837–1843, 1845–1847), speaker of the House (1839–1841), U.S. senator (1847–1861), Confederate States Secretary of State (1861–1862), Confederate States senator (1862–1865) and president pro tempore of the Confederate States Senate (1862–1865).
Kevin Windham Jr.		Missouri	Democratic	May 29, 1993	25 years, 225 days	Jan 9, 2019 – present
Howard F. Furness		Massachusetts	Republican	May 24, 1889	25 years, 227 days	Jan 6, 1915 – Jan 5, 1916, Jan 3, 1917 – Jan 7, 1920
Ralph V. Woolsey		Minnesota	Independent	May 26, 1909	25 years, 227 days	Jan 8, 1935 – Jan 2, 1939	At the time the youngest-ever Minnesota state senator.
Maurice J. Tobin		Massachusetts	Democratic	May 22, 1901	25 years, 228 days	Jan 5, 1927 – Jan 2, 1929	Later mayor of Boston (1938–1945), governor (1945–1947) and U.S. secretary of labor (1948–1953).
Samuel J. Madden		Massachusetts	Democratic	May 17, 1882	25 years, 229 days	Jan 1, 1908 – Jan 6, 1909
William P. Higgins		Massachusetts	Democratic	May 16, 1881	25 years, 231 days	Jan 2, 1907 – Jan 6, 1909
Kate Knuth		Minnesota	Democratic	May 15, 1981	25 years, 233 days	Jan 3, 2007 – Jan 7, 2013	Daughter of state representative Daniel Knuth. Candidate for mayor of Minneapolis in 2021.
William E. Mahoney		Massachusetts	Democratic	May 15, 1872	25 years, 235 days	Jan 5, 1898 – Jan 4, 1899, Jan 3, 1900 – Jan 2, 1901
Noah Sanford		Mississippi	Republican	May 14, 1990	25 years, 236 days	Jan 5, 2016 – present
Harold Ford Sr.		Tennessee	Democratic	May 20, 1945	25 years, 237 days	Jan 12, 1971 – Jan, 1975	U.S. representative (1975–1997)
Al W. Wieser Jr.		Minnesota	Democratic	May 15, 1949	25 years, 237 days	Jan 7, 1975 – Jan 3, 1983	Switched to the Republican Party in August 1977.
			Republican
Scott Walker		Wisconsin	Republican	Nov 2, 1967	25 years, 240 days	Jun 30, 1993 – Apr 30, 2002	Governor of Wisconsin (2011–2019)
LeRoy Collins		Florida	Democratic	Mar 10, 1909	25 years, 241 days	Nov 6, 1934 – Nov 5, 1940	Later state senator (1940–1943, 1946–1954) and governor (1955–1961).
Patrick Guerriero		Massachusetts	Republican	Mar 3, 1968	25 years, 244 days	Nov 2, 1993 – Jan 3, 1998
Claude Benton Hudspeth		Texas	Democratic	May 12, 1877	25 years, 246 days	Jan 13, 1903 – Jan 8, 1907	Later state senator (1907–1919) and U.S. representative (1919–1931).
Thomas Drummond		Iowa	Republican	May 9, 1832	25 years, 247 days	Jan 11, 1858 – Jan 8, 1860	Later state senator (1860–1861).
T. John Lesinski		Michigan	Democratic	Apr 28, 1925	25 years, 248 days	Jan 1, 1951 – Jan 1, 1961	Later lieutenant governor (1961–1965).
Matt Lesser		Connecticut	Democratic	Apr 29, 1983	25 years, 253 days	Jan 7, 2009 – Jan 9, 2019	Later state senator (2019–present).
Joseph E. Donovan		Massachusetts	Democratic	Apr 21, 1882	25 years, 255 days	Jan 1, 1908 – Jan 5, 1910
Joe Moakley		Massachusetts	Democratic	Apr 27, 1927	25 years, 255 days	Jan 7, 1953 – Jan 1, 1963	Later state senator (1965–1971) and U.S. representative (1973–2001).
Brian Cresta		Massachusetts	Republican	Apr 22, 1969	25 years, 257 days	Jan 4, 1995 – Jan 2, 2001	Chair of the Massachusetts Republican Party (1998–2001).
David Boren		Oklahoma	Democratic	Apr 21, 1941	25 years, 261 days	Jan 7, 1967 – Nov 1974	Governor of Oklahoma (1975–1979) and U.S. senator (1979–1994)
Leonard Hughes IV		Missouri	Democratic	Apr 15, 1979	25 years, 265 days	Jan 5, 2005 – 2013
James R. Nolen		Massachusetts	Democratic	Apr 17, 1933	25 years, 265 days	Jan 7, 1959 – Jan 3, 1979
Daniel Joseph Kane		Massachusetts	Democratic	Apr 14, 1872	25 years, 266 days	Jan 5, 1898 – Jan 3, 1900
Thomas F. Coogan		Massachusetts	Democratic	Apr 9, 1882	25 years, 267 days	Jan 1, 1908 – Jan 4, 1911
Joseph P. Bauserman		Kansas	Democratic	Apr 14, 1840	25 years, 270 days	Jan 9, 1866 – Jan 8, 1867	Later state senator (1875–1877).
Bernard McMackin		Massachusetts	Democratic	Apr 2, 1869	25 years, 275 days	Jan 2, 1895 – Jan 1, 1896
Alma Hernandez		Arizona	Democratic	Apr 11, 1993	25 years, 278 days	Jan 14, 2019 – present	Youngest-ever female legislator in Arizona.
Jeb Bardon		Indiana	Democratic	Jan 23, 1973	25 years, 285 days	Nov 4, 1998 – Nov 6, 2012
John J. Murphy		Massachusetts	Democratic	Mar 26, 1889	25 years, 286 days	Jan 6, 1915 – Jan 7, 1920
Charles J. Warner		Nebraska	Republican	Mar 29, 1875	25 years, 286 days	Jan 9, 1901 – Jan 9, 1907	First speaker of the unicameral legislature (1937–1939) and Lieutenant Governor of Nebraska (1949–1955)
John F. Cordisco		Pennsylvania	Democratic	Feb 17, 1955	25 years, 288 days	Dec 1, 1980 – 1986
John Bunyan Adams		Kansas	Republican	Mar 25, 1873	25 years, 290 days	Jan 9, 1899 – Jan 9, 1905
Arthur Ravenel Jr.		South Carolina	Democratic	Mar 29, 1927	25 years, 290 days	Jan 13, 1953 – Jan 13, 1959	Later state senator (1981–1987, 1997–2005) and U.S. representative (1987–1995).
Katie Sieben	File:SenKatieSieben.jpg	Minnesota	Democratic	Mar 23, 1977	25 years, 290 days	Jan 7, 2003 – Jan 2, 2007	Daughter of Mike Sieben. Later state senator (2007–2017).
Abraham Lincoln		Illinois	Whig	Feb 12, 1809	25 years, 292 days	Dec 1, 1834 – Dec 4, 1842	President of the United States (1861–1865)
Mark Fitzsimmons		Massachusetts	Democratic	Mar 15, 1951	25 years, 296 days	Jan 5, 1977 – Jan 3, 1979
James W. Hennigan Jr.		Massachusetts	Democratic	Mar 17, 1927	25 years, 296 days	Jan 7, 1953 – Jan 4, 1955	Later state senator (1955–1965).
David Spence Tobin		Massachusetts	Democratic	Mar 16, 1939	25 years, 296 days	Jan 6, 1965 – Jan 1, 1969
Jasmine Blackwater-Nygren		Arizona	Democratic	Apr 18, 1995	25 years, 297 days	Feb 9, 2021 – present
Vincent Pedone		Massachusetts	Democratic	Mar 15, 1967	25 years, 297 days	Jan 6, 1993 – Jan 2, 2013
William L. Armstrong		Colorado	Republican	Mar 16, 1937	25 years, 299 days	Jan 9, 1963 – 1964	Later state senator (1965–1972), U.S. representative (1973–1979) and U.S. senator (1979–1991).
Ira Hobart Evans		Texas	Republican	Apr 11, 1844	25 years, 303 days	Feb 8, 1870 – 1871	Youngest-ever speaker of the Texas House.
John Selden Roane		Arkansas	Democratic	Jan 8, 1817	25 years, 303 days	Nov 7, 1842 – Nov 2, 1846	Speaker of the Arkansas House (1844–1846) and governor (1849–1852). Became the youngest-ever Arkansas governor.
Rasheen Aldridge Jr.		Missouri	Democratic	Mar 10, 1994	25 years, 304 days	Jan 8, 2020 – present
Barry Finegold		Massachusetts	Democratic	Mar 3, 1971	25 years, 304 days	Jan 1, 1997 – Jan 5, 2011	Later state senator (2011–2015, 2019–present).
James Menees Lindsay		Texas	[?]	Dec 31, 1835	25 years, 308 days	Nov 4, 1861 – Jan 14, 1862
William M. Erwin		Alaska	Democratic	Mar 23, 1933	25 years, 309 days	Jan 26, 1959 – Jan 28, 1963
Horatio Washington Bruce		Kentucky	Know Nothing	Feb 22, 1830	25 years, 312 days	Dec 31, 1855 – [?]	Later member of the Confederate States Congress (1862–1865).
Jane Swift		Massachusetts	Republican	Feb 24, 1965	25 years, 313 days	Jan 3, 1991 – Jan 3, 1997	Elected lieutenant governor in 1998.
Alfred Santosuosso		Massachusetts	Democratic	Feb 22, 1889	25 years, 318 days	Jan 6, 1915 – Jan 5, 1916	Later candidate for mayor of Boston (1937).
Greg Davis		Mississippi	Republican	Feb 22, 1966	25 years, 319 days	Jan 7, 1992 – 1997	Later mayor of Southaven (1997–2013).
Robert Francis Mooney		Massachusetts	Democratic	Feb 16, 1931	25 years, 321 days	Jan 2, 1957 – Jan 2, 1963
John J. Douglass		Massachusetts	Democratic	Feb 9, 1873	25 years, 329 days	Jan 4, 1899 – Jan 2, 1901, Jan 3, 1906 – Jan 2, 1907, Jan 1, 1913 – Jan 7, 1914	Later U.S. representative (1925–1935).
Sean Cahillane		Massachusetts	Democratic	Feb 9, 1951	25 years, 331 days	Jan 5, 1977 – Jan 3, 1979
Edward Mott		Minnesota	Democratic	Feb 5, 1850	25 years, 333 days	Jan 4, 1876 – Jan 7, 1878
J. Dick Snakenberg		Iowa	Democratic	Feb 14, 1915	25 years, 334 days	Jan 13, 1941 – Jan 10, 1943
John Businger		Massachusetts	Democratic	Feb 5, 1945	25 years, 335 days	Jan 6, 1971 – Jan 6, 1999
Wendell R. Anderson		Minnesota	Democratic	Feb 1, 1933	25 years, 339 days	Jan 6, 1959 – Jan 8, 1963	Later state senator (1963–1971), governor (1971–1976) and U.S. senator (1976–1978).
Daniel Zolnikov		Montana	Republican	Jan 29, 1987	25 years, 344 days	Jan 7, 2013 – Sep 30, 2020
Michael J. McNamee		Massachusetts	Democratic	Jan 26, 1889	25 years, 345 days	Jan 6, 1915 – Jan 1, 1919
Joseph F. Hickey		Massachusetts	Democratic	Jan 20, 1875	25 years, 347 days	Jan 2, 1901 – Jan 7, 1903
Edward Lawrence Logan		Massachusetts	Democratic	Jan 20, 1875	25 years, 347 days	Jan 2, 1901 – Jan 7, 1903	Later state senator (1906–1907).
Louis E. Flye		Massachusetts	Republican	Jan 18, 1881	25 years, 349 days	Jan 2, 1907 – Jan 6, 1909
William I. McLoughlin		Massachusetts	Democratic	Jan 16, 1872	25 years, 354 days	Jan 5, 1898 – Jan 2, 1901
John F. McGrath		Massachusetts	Democratic	Jan 10, 1881	25 years, 357 days	Jan 2, 1907 – Jan 6, 1909
Louis H. Warner		Massachusetts	Republican	Jan 8, 1875	25 years, 359 days	Jan 2, 1901 – Jan 6, 1904
Solomon F. Prouty		Iowa	Republican	Jan 17, 1854	25 years, 360 days	Jan 12, 1880 – Jan 8, 1882	Later U.S. representative (1911–1915).
William H. Wells		Delaware	Federalist	Jan 7, 1769	25 years, 364 days	Jan 6, 1795 – Jan 7, 1800 Jan 1, 1811 – Jan 5, 1814 Jan 5, 1819 – Jan 4, 1820	U.S. senator (1799–1804, 1813–1817)
Chris Chyung		Indiana	Democratic	1993	25 years	Nov 7, 2018 – Nov 4, 2020
Andrew Falk		Minnesota	Democratic	Apr 1983	25 years	Jan 6, 2009 – Jan 5, 2015
Michael Ferguson		Connecticut	Republican	1991	25 years	Jan 2, 2017 – Jan 7, 2019
Uriah Forrest		Maryland	Independent	1756	25 years	Nov 5, 1781 – Nov 3, 1783, Nov 6, 1786 – Jan 15, 1787, Nov 5, 1787 – Nov 7, 1791	Later U.S. representative (1793–1794) and state senator (1796–1800).
Robert Henry Goldsborough		Maryland	Federalist	Jan 4, 1779	25 years	1804	U.S. senator (1813–1819, 1835–1836)
Thomas Hall		Ohio	Republican	1995	25 years	Jan 4, 2021 – present
Jake Johnson		North Carolina	Republican	1994	25 years	Aug 6, 2019 – present
Fue Lee		Minnesota	Democratic	1991	25 years	Jan 3, 2017 – present
Bill Logan		Oklahoma	Democratic	1915	25 years	Jan 3, 1939 – Jan 7, 1941	Later state senator (1941–1957) and state senate president pro tempore (1949).
Philip Ludwell III		Virginia	Independent	Dec 28, 1716	25 years	1742 – 1752	Son of Philip Ludwell Jr.
Bob Schaffer		Colorado	Republican	Jul 24, 1962	25 years	1987 – 1996	Elected to the U.S. House of Representatives in 1996.