List of United States Senators from Wisconsin

Wisconsin was admitted to the Union on May 29, 1848. Its current senators are Republican Ron Johnson and Democrat Tammy Baldwin.

List of Senators

Class 1 Class 1 U.S. Senators belong to the electoral cycle that has recently been contested in 1994, 2000, 2006, and 2012. The next election will be in 2018.						C o n g r e s s	Class 3 Class 3 U.S. Senators belong to the electoral cycle that has recently been contested in 1998, 2004, and 2010. The next election will be in 2016.
#	Senator	Party	Years in office	Electoral history	T e r m		T e r m	Electoral history	Years in office	Party	Senator	#
Vacant			May 29, 1848 – June 8, 1848	Wisconsin elected its Senators 10 days after statehood.	1	30th Congress	1	Wisconsin elected its Senators 10 days after statehood.	May 29, 1848 – June 8, 1848	Vacant
1	Henry Dodge	Democratic	June 8, 1848 – March 4, 1857	Elected in 1848.				Elected in 1848	June 8, 1848 – March 4, 1855	Democratic	Isaac P. Walker	1
		31st Congress				2	Re-elected in 1849. Retired.
		Re-elected in 1851. Retired.		2	32nd Congress
					33rd Congress
					34th Congress	3	Elected in 1854. [Data unknown/missing. You can help!]	March 4, 1855 – March 4, 1861	Republican	Charles Durkee	2
2	James R. Doolittle	Republican	March 4, 1857 – March 4, 1869	Elected in 1857.	3				35th Congress
		36th Congress
		37th Congress				4	Elected in 1861.	March 4, 1861 – March 4, 1879	Republican	Timothy O. Howe	3
		Re-elected in 1863. [Data unknown/missing. You can help!]		4	38th Congress
					39th Congress
					40th Congress	5	Re-elected in 1866.
3	Matthew H. Carpenter	Republican	March 4, 1869 – March 4, 1875	Elected in 1868 or 1869. Lost re-election.	5				41st Congress
		42nd Congress
		43rd Congress				6	Re-elected in 1872. Lost re-election.
4	Angus Cameron	Republican	March 4, 1875 – March 4, 1881	Elected in 1875. Retired.	6				44th Congress
		45th Congress
		46th Congress				7	Elected in 1879. Died.	March 4, 1879 – February 24, 1881	Republican	Matthew H. Carpenter	4
								February 24, 1881 – March 14, 1881	Vacant
5	Philetus Sawyer	Republican	March 4, 1881 – March 4, 1893	Elected in 1881.	7							47th Congress
		Elected to finish Carpenter's term. Retired.					March 14, 1881 – March 4, 1885	Republican	Angus Cameron	5
								48th Congress
		49th Congress				8	Elected in 1885. Lost re-election.	March 4, 1885 – March 4, 1891	Republican	John Coit Spooner	6
		Re-elected in 1887. Retired.		8	50th Congress
					51st Congress
					52nd Congress	9	Elected in 1891. Lost renomination.	March 4, 1891 – March 4, 1897	Democratic	William F. Vilas	7
6	John L. Mitchell	Democratic	March 4, 1893 – March 4, 1899	Elected in 1893. Retired.	9				53rd Congress
		54th Congress
		55th Congress				10	Elected in 1897.	March 4, 1897 – April 30, 1907	Republican	John Coit Spooner	8
7	Joseph V. Quarles	Republican	March 4, 1899 – March 4, 1905	Elected in 1899. Retired.	10				56th Congress
		57th Congress
		58th Congress				11	Re-elected in 1903. Resigned.
Vacant			March 4, 1905 – January 2, 1906		11				59th Congress
8	Robert M. La Follette, Sr.	Republican	January 2, 1906 – June 18, 1925	Elected late in 1905.
		60th Congress
								April 30, 1907 – May 17, 1907	Vacant
							Elected to finish Spooner's term.	May 17, 1907 – March 4, 1915	Republican	Isaac Stephenson	9
		61st Congress				12	Re-elected in 1909. Retired.
		Re-elected in 1910.		12	62nd Congress
					63rd Congress
					64th Congress	13	Elected in 1914. Died.	March 4, 1915 – October 21, 1917	Democratic	Paul O. Husting	10
		Re-elected in 1916.		13	65th Congress
								October 21, 1917 – April 18, 1918	Vacant
							Elected to finish Husting's term.	April 18, 1918 – March 4, 1927	Republican	Irvine Lenroot	11
					66th Congress
					67th Congress	14	Re-elected in 1920. Lost renomination.
		Re-elected in 1922. Died.		14	68th Congress
					69th Congress
Vacant			June 18, 1925 – September 30, 1925
9	Robert M. La Follette, Jr.	Republican	September 30, 1925 – January 3, 1947						Elected to finish his father's term
		70th Congress			15	Elected in 1926. Lost renomination.	March 4, 1927 – March 4, 1933	Republican		John J. Blaine	12
		Re-elected in 1928.		15				71st Congress
								72nd Congress
					73rd Congress	16	Elected in 1932. Lost re-election.	March 4, 1933 – January 3, 1939	Democratic	F. Ryan Duffy	13
		Progressive		Re-elected in 1934.	16				74th Congress
		75th Congress
		76th Congress				17	Elected in 1938.	January 3, 1939 – January 3, 1963	Republican	Alexander Wiley	14
		Republican		Re-elected in 1940. Lost renomination.	17				77th Congress
		78th Congress
		79th Congress				18	Re-elected in 1944.
10	Joseph McCarthy	Republican	January 3, 1947 – May 2, 1957	Elected in 1946.	18				80th Congress
		81st Congress
		82nd Congress				19	Re-elected in 1950.
		Re-elected in 1952. Died.		19	83rd Congress
					84th Congress
					85th Congress	20	Re-elected in 1956. Lost re-election.
Vacant			May 3, 1957 – August 27, 1957
11	William Proxmire	Democratic	August 28, 1957 – January 3, 1989						Elected to finish McCarthy's term
		Re-elected in 1958.		20	86th Congress
					87th Congress
					88th Congress	21	Elected in 1962.	January 8, 1963 – January 3, 1981	Democratic	Gaylord A. Nelson	15
		Re-elected in 1964.		21	89th Congress
					90th Congress
					91st Congress	22	Re-elected in 1968.
		Re-elected in 1970.		22	92nd Congress
					93rd Congress
					94th Congress	23	Re-elected in 1974. Lost re-election.
		Re-elected in 1976.		23	95th Congress
					96th Congress
					97th Congress	24	Elected in 1980.	January 3, 1981 – January 3, 1993	Republican	Robert W. Kasten, Jr.	16
		Re-elected in 1982. Retired.		24	98th Congress
					99th Congress
					100th Congress	25	Re-elected in 1986. Lost re-election.
12	Herb Kohl	Democratic	January 3, 1989 – January 3, 2013	Elected in 1988.	25				101st Congress
		102nd Congress
		103rd Congress				26	Elected in 1992.	January 3, 1993 – January 3, 2011	Democratic	Russ Feingold	17
		Re-elected in 1994.		26	104th Congress
					105th Congress
					106th Congress	27	Re-elected in 1998.
		Re-elected in 2000.		27	107th Congress
					108th Congress
					109th Congress	28	Re-elected in 2004. Lost re-election.
		Re-elected in 2006. Retired.		28	110th Congress
					111th Congress
					112th Congress	29	Elected in 2010.	January 3, 2011 – Present	Republican	Ron Johnson	18
13	Tammy Baldwin	Democratic	January 3, 2013 – Present	Elected in 2012.	29				113th Congress
		114th Congress
		115th Congress				30	To be determined in the 2016 election.
To be determined in the 2018 election.					30							116th Congress
												117th Congress
#	Senator	Party	Years in office	Electoral history	T e r m		T e r m	Electoral history	Years in office	Party	Senator	#
Class 1							Class 3

Living former U.S. Senators from Wisconsin

As of April 2015, there are three living former Senators, one from Class 1 and two from Class 3.

Senator	Term of office	Class	Date of birth (and age)
Bob Kasten	1981–1993	3	June 19, 1942
Herb Kohl	1989–2013	1	February 7, 1935
Russ Feingold	1993–2011	3	March 2, 1953

See also

• List of United States Representatives from Wisconsin
• United States congressional delegations from Wisconsin