Wisconsin was admitted to the Union on May 29, 1848. Its current U.S. Senators are Republican Ron Johnson (since 2011, re-elected in 2016) and Democrat Tammy Baldwin (since 2013, re-elected in 2018), making it one of nine states to have a split United States Senate delegation.
Wisconsin is a U.S. state located in the north-central United States, in the Midwest and Great Lakes regions. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin is the 23rd largest state by total area and the 20th most populous. The state capital is Madison, and its largest city is Milwaukee, which is located on the western shore of Lake Michigan. The state is divided into 72 counties.
The United States of America (USA), commonly known as the United States or America, is a country comprising 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles, the United States is the world's third or fourth largest country by total area and is slightly smaller than the entire continent of Europe's 3.9 million square miles. With a population of over 327 million people, the U.S. is the third most populous country. The capital is Washington, D.C., and the most populous city is New York City. Most of the country is located contiguously in North America between Canada and Mexico.
The United States Senate is the upper chamber of the United States Congress which, along with the United States House of Representatives—the lower chamber—comprises the legislature of the United States. The Senate chamber is located in the north wing of the Capitol Building, in Washington, D.C.
Class 1 Class 1 U.S. Senators belong to the electoral cycle that has recently been contested in 2000, 2006, 2012, and 2018. The next election will be in 2024. | 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, 2010, and 2016. The next election will be in 2022. | ||||||||||
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# | 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 | 1 | Wisconsin elected its Senators 10 days after statehood. | May 29, 1848 – June 8, 1848 | Vacant | ||||
1 | Henry Dodge | Democratic | June 8, 1848 – March 3, 1857 | Elected in 1848. | Elected in 1848. | June 8, 1848 – March 3, 1855 | Democratic | Isaac P. Walker | 1 | |||
31st | 2 | Re-elected in 1849. Retired. | ||||||||||
Re-elected in 1851. Retired. | 2 | 32nd | ||||||||||
33rd | ||||||||||||
34th | 3 | Elected in 1854. [Data unknown/missing.] | March 4, 1855 – March 3, 1861 | Republican | Charles Durkee | 2 | ||||||
2 | James R. Doolittle | Republican | March 4, 1857 – March 3, 1869 | Elected in 1857. | 3 | 35th | ||||||
36th | ||||||||||||
37th | 4 | Elected in 1861. | March 4, 1861 – March 3, 1879 | Republican | Timothy O. Howe | 3 | ||||||
Re-elected in 1863. [Data unknown/missing.] | 4 | 38th | ||||||||||
39th | ||||||||||||
40th | 5 | Re-elected in 1866. | ||||||||||
3 | Matthew H. Carpenter | Republican | March 4, 1869 – March 3, 1875 | Elected in 1868 or 1869. Lost re-election. | 5 | 41st | ||||||
42nd | ||||||||||||
43rd | 6 | Re-elected in 1872. Lost re-election. | ||||||||||
4 | Angus Cameron | Republican | March 4, 1875 – March 3, 1881 | Elected in 1875. Retired. | 6 | 44th | ||||||
45th | ||||||||||||
46th | 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 3, 1893 | Elected in 1881. | 7 | 47th | ||||||
Elected to finish Carpenter's term. Retired. | March 14, 1881 – March 3, 1885 | Republican | Angus Cameron | 5 | ||||||||
48th | ||||||||||||
49th | 8 | Elected in 1885. Lost re-election. | March 4, 1885 – March 3, 1891 | Republican | John Coit Spooner | 6 | ||||||
Re-elected in 1887. Retired. | 8 | 50th | ||||||||||
51st | ||||||||||||
52nd | 9 | Elected in 1890. Lost renomination. | March 4, 1891 – March 3, 1897 | Democratic | William F. Vilas | 7 | ||||||
6 | John L. Mitchell | Democratic | March 4, 1893 – March 3, 1899 | Elected in 1893. Retired. | 9 | 53rd | ||||||
54th | ||||||||||||
55th | 10 | Elected January 26, 1897. [1] | March 4, 1897 – April 30, 1907 | Republican | John Coit Spooner | 8 | ||||||
7 | Joseph V. Quarles | Republican | March 4, 1899 – March 3, 1905 | Elected in 1899. Retired. | 10 | 56th | ||||||
57th | ||||||||||||
58th | 11 | Re-elected January 27, 1903. [2] Resigned. | ||||||||||
8 | Robert M. La Follette Sr. | Republican | January 4, 1906 – June 18, 1925 | Elected January 25, 1905. (Did not assume the seat until January 2, 1906, preferring to finish his term as Governor of Wisconsin.) | 11 | 59th | ||||||
60th | ||||||||||||
April 30, 1907 – May 17, 1907 | Vacant | |||||||||||
Elected to finish Spooner's term. | May 17, 1907 – March 3, 1915 | Republican | Isaac Stephenson | 9 | ||||||||
61st | 12 | Re-elected in 1909. Retired. | ||||||||||
Re-elected in 1911. | 12 | 62nd | ||||||||||
63rd | ||||||||||||
64th | 13 | Elected in 1914. Died. | March 4, 1915 – October 21, 1917 | Democratic | Paul O. Husting | 10 | ||||||
Re-elected in 1916. | 13 | 65th | ||||||||||
October 21, 1917 – April 18, 1918 | Vacant | |||||||||||
Elected April 2, 1918 to finish Husting's term. | April 18, 1918 – March 3, 1927 | Republican | Irvine Lenroot | 11 | ||||||||
66th | ||||||||||||
67th | 14 | Re-elected in 1920. Lost renomination. | ||||||||||
Re-elected in 1922. Died. | 14 | 68th | ||||||||||
69th | ||||||||||||
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 | 15 | Elected in 1926. Lost renomination. | March 4, 1927 – March 3, 1933 | Republican | John J. Blaine | 12 | ||||||
Re-elected in 1928. | 15 | 71st | ||||||||||
72nd | ||||||||||||
73rd | 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 | |||||||||
75th | ||||||||||||
76th | 17 | Elected in 1938. | January 3, 1939 – January 3, 1963 | Republican | Alexander Wiley | 14 | ||||||
Re-elected in 1940. Lost renomination. | 17 | 77th | ||||||||||
78th | ||||||||||||
79th | 18 | Re-elected in 1944. | ||||||||||
10 | Joseph McCarthy | Republican | January 3, 1947 – May 2, 1957 | Elected in 1946. | 18 | 80th | ||||||
81st | ||||||||||||
82nd | 19 | Re-elected in 1950. | ||||||||||
Re-elected in 1952. Died. | 19 | 83rd | ||||||||||
84th | ||||||||||||
85th | 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 | ||||||||||
87th | ||||||||||||
88th | 21 | Elected in 1962. | January 8, 1963 – January 3, 1981 | Democratic | Gaylord A. Nelson | 15 | ||||||
Re-elected in 1964. | 21 | 89th | ||||||||||
90th | ||||||||||||
91st | 22 | Re-elected in 1968. | ||||||||||
Re-elected in 1970. | 22 | 92nd | ||||||||||
93rd | ||||||||||||
94th | 23 | Re-elected in 1974. Lost re-election. | ||||||||||
Re-elected in 1976. | 23 | 95th | ||||||||||
96th | ||||||||||||
97th | 24 | Elected in 1980. | January 3, 1981 – January 3, 1993 | Republican | Robert W. Kasten, Jr. | 16 | ||||||
Re-elected in 1982. Retired. | 24 | 98th | ||||||||||
99th | ||||||||||||
100th | 25 | Re-elected in 1986. Lost re-election. | ||||||||||
12 | Herb Kohl | Democratic | January 3, 1989 – January 3, 2013 | Elected in 1988. | 25 | 101st | ||||||
102nd | ||||||||||||
103rd | 26 | Elected in 1992. | January 3, 1993 – January 3, 2011 | Democratic | Russ Feingold | 17 | ||||||
Re-elected in 1994. | 26 | 104th | ||||||||||
105th | ||||||||||||
106th | 27 | Re-elected in 1998. | ||||||||||
Re-elected in 2000. | 27 | 107th | ||||||||||
108th | ||||||||||||
109th | 28 | Re-elected in 2004. Lost re-election. | ||||||||||
Re-elected in 2006. Retired. | 28 | 110th | ||||||||||
111th | ||||||||||||
112th | 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 | ||||||
114th | ||||||||||||
115th | 30 | Re-elected in 2016. | ||||||||||
Re-elected in 2018. | 30 | 116th | ||||||||||
117th | ||||||||||||
118th | 31 | To be determined in the 2022 election. | ||||||||||
To be determined in the 2024 election. | 31 | 119th | ||||||||||
# | 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 |
As of January 2019 [update] , there are three living former Senators, one from Class 1 and two from Class 3. The most recent senator to die was William Proxmire (1957–1989) on December 15, 2005, who is also the most recently serving Senator to die.
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, the longest term served by a Wisconsin senator.
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 |
These are tables of congressional delegations from Wisconsin to the United States House of Representatives and the United States Senate.