Class 1

#	Senator	Party	Years	Term	Electoral history
1	Henry Dodge Henry Dodge Henry Dodge was a Democratic member of the U.S. House of Representatives and U.S. Senate, Territorial Governor of Wisconsin and a veteran of the Black Hawk War. His son was Augustus C. Dodge with whom he served in the U.S. Senate, the first, and so far only, father-son pair to serve concurrently....	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	June 8, 1848 – March 4, 1857	1	Elected in 1848 United States Senate elections, 1848 The United States Senate election of 1848 was an election which had the Whig Party gain four seats in the United States Senate.As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures....
				2	Re-elected in 1851 Retired
2	James R. Doolittle	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1857 – March 4, 1869	3	Elected in 1857
				4	Re-elected in 1863
3	Matthew H. Carpenter Matthew H. Carpenter Matthew Hale Carpenter , was a member of the Republican Party who served in the United States Senate for the state of Wisconsin from 1869–1875 and again from 1879 - 1881....	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1869 – March 4, 1875	5	Elected in 1869 Lost re-election
4	Angus Cameron Angus Cameron Angus Cameron was a Republican and a member of the United States Senate from Wisconsin from 1875 to 1881, when he did not seek reelection, and again from 1881 to 1885, when he was elected to succeed Matthew H. Carpenter, who died in office; he did not seek reelection in 1885...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1875 – March 4, 1881	6	Elected in 1875 Retired
5	Philetus Sawyer Philetus Sawyer Philetus Sawyer was an American politician of the Republican Party who represented Wisconsin in both houses of Congress. Sawyer County, Wisconsin, is named for him....	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1881 – March 4, 1893	7	Elected in 1881
				8	Re-elected in 1887 Retired
6	John L. Mitchell John L. Mitchell John Lendrum Mitchell was an American politician and a Democratic Congressman, Senator from Wisconsin, and a member of the Wisconsin State Senate. He was born in Milwaukee, Wisconsin....	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1893 – March 4, 1899	9	Elected in 1893 Retired
7	Joseph V. Quarles Joseph V. Quarles Joseph Very Quarles, Jr. was an American politician of the Republican Party who served as a United States federal judge and as a United States Senator from Wisconsin.-Biography:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1899 – March 4, 1905	10	Elected in 1899 Retired
Vacant			March 4, 1905 – January 2, 1906	11
8	Robert M. La Follette, Sr. Robert M. La Follette, Sr. Robert Marion "Fighting Bob" La Follette, Sr. , was an American Republican politician. He served as a member of the U.S. House of Representatives, was the Governor of Wisconsin, and was also a U.S. Senator from Wisconsin...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 2, 1906 – June 18, 1925	11 (Continued)	Elected late in 1905
				12	Re-elected in 1910
				13	Re-elected in 1916
				14	Re-elected in 1922 Died
Vacant			June 18, 1925 – September 30, 1925
9	Robert M. La Follette, Jr. Robert M. La Follette, Jr. Robert Marion "Young Bob" La Follette, Jr. was an American senator from Wisconsin from 1925 to 1947, the son of Robert M. La Follette, Sr., the brother of Philip La Follette, and Fola La Follette, whose husband was the playwright George Middleton.- Early life:La Follette was born in Madison,...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	September 30, 1925 – January 3, 1947	14 (Continued)
				15	(Re-?)elected in 1928
		Progressive Progressive Party (United States, 1924) The Progressive Party of 1924 was a new party created as a vehicle for Robert M. La Follette, Sr. to run for president in the 1924 election. It did not run candidates for other offices, and it disappeared after the election except in Wisconsin. Its name resembles the 1912 Progressive Party, which...		16	Re-elected in 1934
		Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...		17	Re-elected in 1940 Lost renomination
10	Joseph R. McCarthy	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1947 – May 2, 1957	18	Elected in 1946
				19	Re-elected in 1952 Died
Vacant			June 18, 1925 – September 30, 1925
11	William Proxmire William Proxmire Edward William Proxmire was an American politician. A member of the Democratic Party, he served as a United States Senator from Wisconsin from 1957 to 1989.-Personal life:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	August 28, 1957 – January 3, 1989	19 (Continued)
				20	(Re-?)elected in 1958
				21	Re-elected in 1964
				22	Re-elected in 1970
				23	Re-elected in 1976
				24	Re-elected in 1982 United States Senate elections, 1982 The United States Senate election of November 2, 1982 was an election for the United States Senate following the Republican gains in 1980. Party balance was unchanged following the election. Incumbents Howard Cannon of Nevada and Harrison Schmitt of New Mexico lost seats to the opposite party, the... Retired
12	Herb Kohl Herb Kohl Herbert H. "Herb" Kohl is the senior U.S. Senator from Wisconsin and a member of the Democratic Party. He is also a philanthropist and the owner of the Milwaukee Bucks National Basketball Association team...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1989 – Present	25	Elected in 1988 United States Senate election in Wisconsin, 1988 The 1988 United States Senate election in Wisconsin took place on November 8, 1988. Incumbent Democrat U.S. Senator William Proxmire decided to retire, instead of running for re-election to a sixth full term. Democrat Herb Kohl won the open seat.-Results:...
				26	Re-elected in 1994 United States Senate election in Wisconsin, 1994 The 1994 United States Senate election in Wisconsin took place on November 3, 1994. Incumbent Democrat U.S. Senator Herb Kohl won re-election to a second term.-Results:-External links:...
				27	Re-elected in 2000 United States Senate election in Wisconsin, 2000 The 2000 United States Senate election in Wisconsin took place on November 7, 2000. Incumbent Democratic U.S. Senator Herb Kohl won re-election to a third term.-Results:-External links:...
				28	Re-elected in 2006 Intends to retire
#	Senator	Party	Years	Term	Electoral history

Class 3

#	Senator	Party	Years	Term	Electoral history
1	Isaac P. Walker Isaac P. Walker Isaac Pigeon Walker was an American politician who served as a U.S. Senator from Wisconsin.Walker was born in Virginia and moved with his family to Illinois in 1825. He practiced law in Springfield, Illinois, and served one term in the Illinois House of Representatives. He moved to Wisconsin in...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	June 8, 1848 – March 4, 1855	1	Elected in 1848 United States Senate elections, 1848 The United States Senate election of 1848 was an election which had the Whig Party gain four seats in the United States Senate.As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures.... Retired
2	Charles Durkee Charles Durkee Charles Durkee was an American politician and a Congressman and Senator from Wisconsin.-Early life:Durkee was born in Royalton, Vermont. He became a merchant and moved to Wisconsin in 1836...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1855 – March 4, 1861	2	Elected in 1855
3	Timothy O. Howe Timothy O. Howe Timothy Otis Howe was a member of the United States Senate, representing the state of Wisconsin from March 4, 1861, to March 4, 1879. He also served as U.S...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1861 – March 4, 1879	3	Elected in 1861
				4	Re-elected in 1867
				5	Re-elected in 1873 Lost re-election
4	Matthew H. Carpenter Matthew H. Carpenter Matthew Hale Carpenter , was a member of the Republican Party who served in the United States Senate for the state of Wisconsin from 1869–1875 and again from 1879 - 1881....	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1879 – February 24, 1881	6	Elected in 1879 Died
Vacant			February 24, 1881 – March 14, 1881
5	Angus Cameron Angus Cameron Angus Cameron was a Republican and a member of the United States Senate from Wisconsin from 1875 to 1881, when he did not seek reelection, and again from 1881 to 1885, when he was elected to succeed Matthew H. Carpenter, who died in office; he did not seek reelection in 1885...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 14, 1881 – March 4, 1885	6 (Continued)	Retired
6	John Coit Spooner John Coit Spooner John Coit Spooner was a Republican politician and lawyer from Wisconsin. He served in the United States Senate from 1885 to 1891 and from 1897 to 1907.-Biography:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1885 – March 4, 1891	7	Elected in 1885 Lost re-election
7	William F. Vilas	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1891 – March 4, 1897	8	Elected in 1891 Lost renomination
8	John Coit Spooner John Coit Spooner John Coit Spooner was a Republican politician and lawyer from Wisconsin. He served in the United States Senate from 1885 to 1891 and from 1897 to 1907.-Biography:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1897 – April 30, 1907	9	Elected in 1897
				10	Re-elected in 1903 Resigned
Vacant			April 30, 1907 – May 17, 1907
9	Isaac Stephenson Isaac Stephenson Isaac Stephenson was an American politician of the Republican Party who represented Wisconsin as both a United States Representative and a United States Senator....	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	May 17, 1907 – March 4, 1915	10 (Continued)
				11	(Re-?)elected in 1909 Retired
10	Paul O. Husting Paul O. Husting Paul Oscar Husting was a member of the Democratic Party who represented Wisconsin in the United States Senate from 1915 to 1917.-Biography:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1915 – October 21, 1917	12	Elected in 1914 Died
Vacant			October 21, 1917 – April 18, 1918
11	Irvine Lenroot Irvine Lenroot Irvine Luther Lenroot was a member of the United States Republican Party who served in the House of Representatives from 1909 to 1918, and in the United States Senate from 1918 to 1927, for the state of Wisconsin. He was also Warren G...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	April 18, 1918 – March 4, 1927	12 (Continued)
				13	(Re-?)elected in 1920 Lost renomination
12	John J. Blaine John J. Blaine John James Blaine was the 24th Governor of Wisconsin and a United States Senator. He served as Mayor of Boscobel, on the Grant County Board of Supervisors, Wisconsin Attorney General, and in the Wisconsin State Senate...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1927 – March 4, 1933	14	Elected in 1926 Lost renomination
13	F. Ryan Duffy F. Ryan Duffy Francis Ryan Duffy was a member of the Democratic Party who served in the United States Senate for the state of Wisconsin from 1933 to 1939 and later a United States federal judge.-Biography:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1933 – January 3, 1939	15	Elected in 1932 Lost re-election
14	Alexander Wiley Alexander Wiley Alexander Wiley was a member of the Republican Party who served four terms in the United States Senate for the state of Wisconsin from 1939 to 1963. When he left the Senate, he was its most senior Republican member.-Biography:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1939 – January 3, 1963	16	Elected in 1938
				17	Re-elected in 1944
				18	Re-elected in 1950
				19	Re-elected in 1956 Lost re-election
15	Gaylord A. Nelson	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 8, 1963 – January 3, 1981	20	Elected in 1962
				21	Re-elected in 1968
				22	Re-elected in 1974 Lost re-election
16	Robert W. Kasten, Jr.	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1981 – January 3, 1993	23	Elected in 1980 United States Senate election in Wisconsin, 1980 The 1980 United States Senate election in Wisconsin was held on November 4, 1980. Incumbent Democratic U.S. Senator Gaylord Nelson ran for re-election to a fourth term, but was defeated by Bob Kasten.-Republican:...
				24	Re-elected in 1986 United States Senate election in Wisconsin, 1986 The 1986 United States Senate election in Wisconsin was held on November 3, 1986. Incumbent Republican U.S. Senator Bob Kasten won re-election to a second term.-Results:-References:... Lost re-election
17	Russ Feingold Russ Feingold Russell Dana "Russ" Feingold is an American politician from the U.S. state of Wisconsin. He served as a Democratic party member of the U.S. Senate from 1993 to 2011. From 1983 to 1993, Feingold was a Wisconsin State Senator representing the 27th District.He is a recipient of the John F...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1993 – January 3, 2011	25	Elected in 1992 United States Senate election in Wisconsin, 1992 The 1992 United States Senate election in Wisconsin was held on November 3, 1992. Incumbent Republican U.S. Senator Bob Kasten ran for re-election to a third term, but was defeated by Russ Feingold- Campaign :...
				26	Re-elected in 1998 United States Senate election in Wisconsin, 1998 The 1998 United States Senate election in Wisconsin was held on November 3, 1998. Incumbent Democratic U.S. Senator Russ Feingold won re-election to a second term.- Campaign :...
				27	Re-elected in 2004 Lost re-election
18	Ron Johnson	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 2011 – Present	28	Elected in 2010 United States Senate election in Wisconsin, 2010 The 2010 United States Senate election in Wisconsin was held on November 2, 2010. Incumbent Democratic U.S. Senator Russ Feingold ran for re-election to a fourth term, but was defeated by political newcomer Republican Ron Johnson.- Candidates :On the ballot...
#	Senator	Party	Years	Term	Electoral history

See also

• List of United States Representatives from Wisconsin
• United States congressional delegations from Wisconsin
  United States Congressional Delegations from Wisconsin
  These are tables of congressional delegations from Wisconsin to the United States Senate and United States House of Representatives. -United States Senate:-Delegates from Wisconsin Territory:-Members of the United States House of Representatives :-Notes:...