| Member
|
Party
|
Date
|
Cong ress
|
Electoral history
|
| District created June 9, 1848
|
 Mason C. Darling
|
Democratic
|
June 9, 1848 – March 3, 1849
|
30th
|
Elected to the short term in 1848. Retired.
|
 Orsamus Cole
|
Whig
|
March 4, 1849 – March 3, 1851
|
31st
|
Elected to the regular term in 1848. Lost re-election.
|
 Ben C. Eastman
|
Democratic
|
March 4, 1851 – March 3, 1855
|
32nd 33rd
|
Elected in 1850. Re-elected in 1852. Retired.
|
 Cadwallader C. Washburn
|
Republican
|
March 4, 1855 – March 3, 1861
|
34th 35th 36th
|
Elected in 1854. Re-elected in 1856. Re-elected in 1858. Retired.
|
| Luther Hanchett
|
Republican
|
March 4, 1861 – November 24, 1862
|
37th
|
Elected in 1860. Died.
|
| Vacant
|
November 24, 1862 – January 26, 1863
|
|
 Walter D. McIndoe
|
Republican
|
January 26, 1863 – March 3, 1863
|
Elected to finish Hanchett's term. Redistricted to the 6th district.
|
 Ithamar Sloan
|
Republican
|
March 4, 1863 – March 3, 1867
|
38th 39th
|
Elected in 1862. Re-elected in 1864. Retired.
|
| Benjamin F. Hopkins
|
Republican
|
March 4, 1867 – January 1, 1870
|
40th 41st
|
Elected in 1866. Re-elected in 1868. Died.
|
| Vacant
|
January 1, 1870 – February 23, 1870
|
41st
|
|
 David Atwood
|
Republican
|
February 23, 1870 – March 3, 1871
|
Elected to finish Hopkins's term. Retired.
|
 Gerry Whiting Hazelton
|
Republican
|
March 4, 1871 – March 3, 1875
|
42nd 43rd
|
Elected in 1870. Re-elected in 1872. Retired.
|
 Lucien B. Caswell
|
Republican
|
March 4, 1875 – March 3, 1883
|
44th 45th 46th 47th
|
Elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Lost renomination.
|
 Daniel H. Sumner
|
Democratic
|
March 4, 1883 – March 3, 1885
|
48th
|
Elected in 1882. Retired.
|
 Edward S. Bragg
|
Democratic
|
March 4, 1885 – March 3, 1887
|
49th
|
Elected in 1884. Lost renomination.
|
 Richard W. Guenther
|
Republican
|
March 4, 1887 – March 3, 1889
|
50th
|
Redistricted from the 6th district and re-elected in 1886. Retired.
|
 Charles Barwig
|
Democratic
|
March 4, 1889 – March 3, 1895
|
51st 52nd 53rd
|
Elected in 1888. Re-elected in 1890. Re-elected in 1892. Lost re-election.
|
 Edward Sauerhering
|
Republican
|
March 4, 1895 – March 3, 1899
|
54th 55th
|
Elected in 1894. Re-elected in 1896. Retired.
|
 Herman Dahle
|
Republican
|
March 4, 1899 – March 3, 1903
|
56th 57th
|
Elected in 1898. Re-elected in 1900. Lost renomination.
|
 Henry Cullen Adams
|
Republican
|
March 4, 1903 – July 9, 1906
|
58th 59th
|
Elected in 1902. Re-elected in 1904. Died.
|
| Vacant
|
July 9, 1906 – September 4, 1906
|
59th
|
|
 John M. Nelson
|
Republican
|
September 4, 1906 – March 3, 1913
|
59th 60th 61st 62nd
|
Elected to finish Adams's term. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Redistricted to the 3rd district.
|
 Michael E. Burke
|
Democratic
|
March 4, 1913 – March 3, 1917
|
63rd 64th
|
Redistricted from the 6th district and re-elected in 1912. Re-elected in 1914. Lost re-election.
|
 Edward Voigt
|
Republican
|
March 4, 1917 – March 3, 1927
|
65th 66th 67th 68th 69th
|
Elected in 1916. Re-elected in 1918. Re-elected in 1920. Re-elected in 1922. Re-elected in 1924. Retired.
|
| Charles A. Kading
|
Republican
|
March 4, 1927 – March 3, 1933
|
70th 71st 72nd
|
Elected in 1926. Re-elected in 1928. Re-elected in 1930. Lost renomination.
|
| Charles W. Henney
|
Democratic
|
March 4, 1933 – January 3, 1935
|
73rd
|
Elected in 1932. Lost re-election.
|
| Harry Sauthoff
|
Progressive
|
January 3, 1935 – January 3, 1939
|
74th 75th
|
Elected in 1934. Re-elected in 1936. Lost re-election.
|
| Charles Hawks Jr.
|
Republican
|
January 3, 1939 – January 3, 1941
|
76th
|
Elected in 1938. Lost re-election.
|
| Harry Sauthoff
|
Progressive
|
January 3, 1941 – January 3, 1945
|
77th 78th
|
Elected in 1940. Re-elected in 1942. Lost re-election.
|
 Robert Kirkland Henry
|
Republican
|
January 3, 1945 – November 20, 1946
|
79th
|
Elected in 1944. Re-elected in 1946 but died before next term began.
|
| Vacant
|
November 20, 1946 – April 22, 1947
|
79th 80th
|
|
 Glenn Robert Davis
|
Republican
|
April 22, 1947 – January 3, 1957
|
80th 81st 82nd 83rd 84th
|
Elected to finish Henry's term. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Re-elected in 1954. Retired to run for U.S. senator.
|
 Donald Edgar Tewes
|
Republican
|
January 3, 1957 – January 3, 1959
|
85th
|
Elected in 1956. Lost re-election.
|
 Robert Kastenmeier
|
Democratic
|
January 3, 1959 – January 3, 1991
|
86th 87th 88th 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th 101st
|
Elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Lost re-election.
|
 Scott L. Klug
|
Republican
|
January 3, 1991 – January 3, 1999
|
102nd 103rd 104th 105th
|
Elected in 1990. Re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Retired.
|
 Tammy Baldwin
|
Democratic
|
January 3, 1999 – January 3, 2013
|
106th 107th 108th 109th 110th 111th 112th
|
Elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Retired to run for U.S. senator.
|
 Mark Pocan
|
Democratic
|
January 3, 2013 – present
|
113th 114th 115th 116th 117th
|
Elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020.
|