2012 United States Senate election in Wisconsin information
Election
2012 United States Senate election in Wisconsin
← 2006
November 6, 2012
2018 →
Turnout
72.5% (voting eligible)[1]
Nominee
Tammy Baldwin
Tommy Thompson
Party
Democratic
Republican
Popular vote
1,547,104
1,380,126
Percentage
51.41%
45.86%
County results
Precinct results
Baldwin: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Thompson: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Tie No data
U.S. senator before election
Herb Kohl
Democratic
Elected U.S. Senator
Tammy Baldwin
Democratic
Elections in Wisconsin
Federal government
Presidential elections
1848
1852
1856
1860
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U.S. Senate elections
1848
1849
1851
1854
1857
1861
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1866
1872
1875
1879
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1881 sp
1885
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1890
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1907 sp
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2nd sp
1864
1866
1868
1870
2nd sp
1872
1874
1876
1878
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1882
1884
1886
5th sp
1887
8th sp
1888
1890
1892
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1894
7th sp
1896
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1900
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2nd sp
1908
1910
1912
1914
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1918
6th sp
11th sp
1920
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1928
1930
6th sp
1931
1st sp
1932
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1936
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1st sp
1942
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2nd sp
1948
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1952
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9th sp
1954
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1969
7th sp
1970
1972
1974
1976
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6th sp
1980
1982
1984
4th sp
1986
1988
1990
1992
1993
1st sp
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
7th sp
2022
2024
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1920
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1928
1930
1932
1934
1936
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
1958
1960
1962
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2006
Referendum 1
Green Bay
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Madison
Mayoral elections
1997 sp
1999
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Milwaukee
Mayoral elections
1910
1996
2000
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2022 sp
2024
v
t
e
The 2012 United States Senate election in Wisconsin took place on November 6, 2012, alongside a U.S. presidential election as well as other elections to the United States Senate and House of Representatives and various state and local elections. Incumbent Democratic Senator Herb Kohl retired instead of running for re-election to a fifth term. This was the first open Senate seat in Wisconsin since 1988, when Kohl won his first term.
Primary elections were held on August 14, 2012. Congresswoman Tammy Baldwin of Wisconsin's 2nd congressional district ran unopposed in the Democratic primary. The Republican nominee was former Wisconsin Governor and U.S. Secretary of Health and Human Services Tommy Thompson, who won with a plurality in a four-way primary race. In the general election, Baldwin defeated Thompson and won the open seat. She became the first woman elected to represent Wisconsin in the Senate and the first openly gay U.S. senator in history. This is also the only time Thompson lost a statewide race.
^Michael McDonald (February 9, 2013). "2012 General Election Turnout Rates". George Mason University. Archived from the original on April 24, 2013. Retrieved April 3, 2013.
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