List of United States senators from Idaho

Current delegation

Mike Crapo (R)

Jim Risch (R)

Below is a chronological listing of the United States senators from Idaho. The state was admitted to the Union on July 3, 1890, and its U.S. senators belong to Class 2 and Class 3. Idaho's current senators are Republicans Mike Crapo and Jim Risch. William Borah was Idaho's longest-serving senator (1907–1940).

List of senators

Class 2 Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026.						C	Class 3 Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 1998, 2004, 2010, and 2016. The next election will be in 2022.
#	Senator	Party	Dates in office	Electoral history	T		T	Electoral history	Dates in office	Party	Senator	#
Vacant			July 3, 1890 – December 18, 1890	After joining the Union, Idaho did not elect its senators for six months.	1	51st	1	After joining the Union, Idaho did not elect its senators for six months.	July 3, 1890 – December 18, 1890	Vacant
1	George Shoup	Republican	December 18, 1890 – March 3, 1901	Elected in 1890.				Elected in 1890. Retired.	December 18, 1890 – March 3, 1891	Republican	William McConnell	1
						52nd	2	Elected in 1890. Lost re-election as a Silver Republican.	March 4, 1891 – March 3, 1897	Republican	Fred Dubois	2
						53rd
				Re-elected in 1895. Lost re-election.	2	54th
						55th	3	Elected in 1897. Retired.	March 4, 1897 – March 3, 1903	Populist	Henry Heitfeld	3
						56th
2	Fred Dubois	Silver Republican	March 4, 1901 – March 3, 1907	Elected in 1901 as a Silver Republican, but changed party to Democratic. Lost re-election.	3	57th
		Democratic
						58th	4	Elected in 1903.	March 4, 1903 – October 17, 1912	Republican	Weldon Heyburn	4
						59th
3	William Borah	Republican	March 4, 1907 – January 19, 1940	Elected in 1907.	4	60th
						61st	5	Re-elected in 1909. Died.
						62nd
									October 17, 1912 – November 18, 1912	Vacant
								Appointed to continue Heyburn's term. Lost election to finish Heyburn's term.	November 18, 1912 – February 6, 1913	Democratic	Kirtland Perky	5
								Elected in 1913 to finish Heyburn's term.	February 6, 1913 – January 13, 1918	Republican	James Brady	6
				Re-elected in 1913.	5	63rd
						64th	6	Re-elected in 1914. Died.
						65th
									January 13, 1918 – January 22, 1918	Vacant
								Appointed to continue Brady's term. Elected in 1918 to finish Brady's term. Resigned to become a Federal Trade Commissioner, having lost election to a full term.	January 22, 1918 – January 14, 1921	Democratic	John Nugent	7
				Re-elected in 1918	6	66th
								Appointed to finish Nugent's term, having been elected to the next term.	January 15, 1921 – June 24, 1928	Republican	Frank Gooding	8
						67th	7	Elected to full term in 1920.
						68th
				Re-elected in 1924.	7	69th
						70th	8	Re-elected in 1926. Died.
									June 24, 1928 – June 30, 1928	Vacant
								Appointed to continue Gooding's term. Elected in 1928 to finish Gooding's term. Lost re-election.	June 30, 1928 – March 3, 1933	Republican	John W. Thomas	9
						71st
				Re-elected in 1930.	8	72nd
						73rd	9	Elected in 1932. Lost renomination.	March 4, 1933 – January 3, 1939	Democratic	James Pope	10
						74th
				Re-elected in 1936. Died.	9	75th
						76th	10	Elected in 1938. Lost renomination.	January 3, 1939 – January 3, 1945	Democratic	D. Worth Clark	11
Vacant			January 19, 1940 – January 27, 1940
4	John W. Thomas	Republican	January 27, 1940 – November 10, 1945	Appointed to continue Borah's term. Elected in 1940 to finish Borah's term.
						77th
				Re-elected in 1942. Died.	10	78th
						79th	11	Elected in 1944. Lost renomination.	January 3, 1945 – January 3, 1951	Democratic	Glen H. Taylor	12
Vacant			November 10, 1945 – November 17, 1945
5	Charles C. Gossett	Democratic	November 17, 1945 – November 5, 1946	Appointed to continue Thomas's term. Lost nomination to finish Thomas's term.
6	Henry Dworshak	Republican	November 6, 1946 – January 3, 1949	Elected to finish Thomas's term. Lost re-election.
						80th
7	Bert H. Miller	Democratic	January 3, 1949 – October 8, 1949	Elected in 1948. Died.	11	81st
Vacant			October 8, 1949 – October 14, 1949
8	Henry Dworshak	Republican	October 14, 1949 – July 23, 1962	Appointed to continue Miller's term. Elected in 1950 to finish Miller's term.
						82nd	12	Elected in 1950. Lost re-election.	January 3, 1951 – January 3, 1957	Republican	Herman Welker	13
						83rd
				Re-elected in 1954	12	84th
						85th	13	Elected in 1956.	January 3, 1957 – January 3, 1981	Democratic	Frank Church	14
						86th
				Re-elected in 1960. Died.	13	87th
Vacant			July 23, 1962 – August 6, 1962
9	Len Jordan	Republican	August 6, 1962 – January 3, 1973	Appointed to continue Dworshak's term. Elected in 1962 to finish Dworshak's term.
						88th	14	Re-elected in 1962.
						89th
				Re-elected in 1966. Retired.	14	90th
						91st	15	Re-elected in 1968.
						92nd
10	Jim McClure	Republican	January 3, 1973 – January 3, 1991	Elected in 1972.	15	93rd
						94th	16	Re-elected in 1974. Lost re-election.
						95th
				Re-elected in 1978.	16	96th
						97th	17	Elected in 1980.	January 3, 1981 – January 3, 1993	Republican	Steve Symms	15
						98th
				Re-elected in 1984. Retired.	17	99th
						100th	18	Re-elected in 1986. Retired.
						101st
11	Larry Craig	Republican	January 3, 1991 – January 3, 2009	Elected in 1990.	18	102nd
						103rd	19	Elected in 1992. Retired to run for Governor of Idaho.	January 3, 1993 – January 3, 1999	Republican	Dirk Kempthorne	16
						104th
				Re-elected in 1996.	19	105th
						106th	20	Elected in 1998.	January 3, 1999 – Present	Republican	Mike Crapo	17
						107th
				Re-elected in 2002. Retired.	20	108th
						109th	21	Re-elected in 2004.
						110th
12	Jim Risch	Republican	January 3, 2009 – Present	Elected in 2008.	21	111th
						112th	22	Re-elected in 2010.
						113th
				Re-elected in 2014.	22	114th
						115th	23	Re-elected in 2016.
						116th
				Re-elected in 2020.	23	117th
						118th	24	To be determined in the 2022 election.
						119th
To be determined in the 2026 election.					24	120th
#	Senator	Party	Years in office	Electoral history	T		T	Electoral history	Years in office	Party	Senator	#
Class 2							Class 3

Living former senators

As of August 2022, there are three living former U.S. senators from Idaho. The most recent and most recently serving senator to die was Jim McClure (served 1973–1991) on February 26, 2011.

Senator	Term of office	Date of birth (and age)
Steve Symms	1981–1993	(1938-04-23) April 23, 1938
Larry Craig	1991–2009	(1945-07-20) July 20, 1945
Dirk Kempthorne	1993–1999	(1951-10-29) October 29, 1951

Superlatives

Longest service

Senator	First served	Last served	Length of service
William Borah	March 4, 1907	January 19, 1940	32 years, 321 days (12,009 days)
Frank Church	January 3, 1957	January 3, 1981	24 years, 0 days (8,766 days)
Mike Crapo	January 3, 1999	Present	23 years, 217 days (8,618 days)
Larry Craig	January 3, 1991	January 3, 2009	18 years, 0 days (6,575 days)
James A. McClure	January 3, 1973	January 3, 1991	18 years, 0 days (6,574 days)

Shortest service

Senator	First served	Last served	Length of service
William J. McConnell	December 18, 1890	March 3, 1891	2 months, 1 week and 6 days (75 days)
Kirtland I. Perky	November 18, 1912	February 5, 1913	2 months, 2 weeks and 4 days (79 days)
Bert H. Miller	January 3, 1949	October 8, 1949	9 months and 5 days (278 days)
Charles C. Gossett	November 17, 1945	November 6, 1946	11 months, 2 weeks and 6 days (354 days)
John F. Nugent	January 22, 1918	January 14, 1921	2 years, 11 months, 3 weeks and 2 days (1,088 days)

Youngest at beginning of service

Senator	Date of birth	First served	Age
Frank Church	July 25, 1924	January 3, 1957	32 years, 5 months and 9 days
David Worth Clark	April 2, 1902	January 3, 1939	36 years, 9 months and 1 day
Henry Heitfeld	January 12, 1859	March 4, 1897	38 years, 1 month and 20 days
Fred Dubois	May 29, 1851	March 4, 1891	39 years, 9 months and 4 days
Glen H. Taylor	April 12, 1904	January 3, 1945	40 years, 8 months and 22 days

Oldest at end of service

Senator	Date of birth	Last served	Age
Jim Risch	May 3, 1943	Present	79 years, 3 months and 5 days
William Borah	June 29, 1865	January 19, 1940	74 years, 6 months and 21 days
Leonard B. Jordan	May 15, 1899	January 3, 1973	73 years, 7 months and 19 days
Bert H. Miller	December 15, 1876	October 8, 1949	72 years, 9 months and 23 days
John W. Thomas	January 4, 1874	November 10, 1945	71 years, 10 months and 6 days

See also

• List of United States representatives from Idaho
• United States congressional delegations from Idaho

References

• Byrd, Robert C. (October 1, 1993). Wolff, Wendy (ed.). The Senate, 1789-1989: Historical Statistics, 1789-1992. United States Senate Historical Office (volume 4 Bicentennial ed.). Washington, D.C.: U.S. Government Printing Office. ISBN 9780160632563 – via Google Books.
• Rhoades, Henry Eckford (1910). The Tribune Almanac and Political Register 1910. New York: The Tribune Association. pp. 271–272 – via Hathi Trust Digital Library.