2010 Wisconsin Senate election

2010 Wisconsin State Senate election

← 2008 November 2, 2010 2012 →
2011 (Recall) →
17 of 33 seats in the Wisconsin State Senate 17 seats needed for a majority
Majority party Minority party   Leader Scott L. Fitzgerald Russ Decker (defeated) Party Republican Democratic Leader's seat 13th–Juneau 29th–Weston Last election 8 seats, 45.53% 8 seats, 54.09% Seats before 15 18 Seats won 10 6 Seats after 19 14 Seat change 4 4 Popular vote 627,160 430,068 Percentage 59.1% 40.53% Swing 13.6 pp 13.5 pp
Results of the elections:      Republican hold      Republican gain      Democratic hold      No election
President before election Fred Risser Democratic Elected President Michael Ellis Republican

Elections in Wisconsin
Federal government Presidential elections 1848 1852 1856 1860 1864 1868 1872 1876 1880 1884 1888 1892 1896 1900 1904 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 2004 2008 2012 2016 2020 2024 Presidential primaries Democratic 2000 2004 2008 2016 2020 2024 Republican 2004 2008 2012 2016 2020 2024 U.S. Senate elections Class 1 1848 1851 1857 1863 1869 1875 1881 1887 1893 1899 1905 1911 1916 1922 1925 sp 1928 1934 1940 1946 1952 1957 sp 1958 1964 1970 1976 1982 1988 1994 2000 2006 2012 2018 2024 Class 3 1848 1849 1854 1861 1866 1872 1879 1881 sp 1885 1890 1891 1897 1903 1907 sp 1909 1914 1918 sp 1920 1926 1932 1938 1944 1950 1956 1962 1968 1974 1980 1982 1986 1992 1998 2004 2010 2016 2022 2028 U.S. House of Representatives elections 1848 1850 1852 1854 1856 1858 1860 1862 1863 2nd sp 1864 1866 1868 1870 2nd sp 1872 1874 1876 1878 1880 1882 1884 1886 5th sp 1887 8th sp 1888 1890 1892 1893 4th sp 1894 7th sp 1896 1898 1900 1902 1904 1906 2nd sp 1908 1910 1912 1914 1916 1918 6th sp 11th sp 1920 1922 1924 1926 1928 1930 6th sp 1931 1st sp 1932 1934 1936 1938 1940 1941 1st sp 1942 1944 1946 1947 2nd sp 1948 1950 1952 1953 9th sp 1954 1956 1958 1960 1962 1964 1966 1968 1969 7th sp 1970 1972 1974 1976 1978 1979 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 8th sp
State government General elections 1995 2000 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Gubernatorial elections 1848 1849 1851 1853 1855 1857 1859 1861 1863 1865 1867 1869 1871 1873 1875 1877 1879 1881 1884 1886 1888 1890 1892 1894 1896 1898 1900 1902 1904 1906 1908 1910 1912 1914 1916 1918 1920 1922 1924 1926 1928 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1964 1966 1968 1970 1974 1978 1982 1986 1990 1994 1998 2002 2006 2010 2012 (recall) 2014 2018 2022 2026 Lieutenant Gubernatorial elections 1942 1968 2012 (recall) Secretary of State elections 1978 2014 2018 2022 Attorney General elections 2014 2018 2022 Treasurer elections 2014 2022 Superintendent elections 2013 2017 2021 2025 State Senate elections 1934 1996 2008 2010 2011 (recall) 2012 (recall) 2012 2014 2016 2018 2020 2022 2024 2026 State Assembly elections 2008 2010 2012 2014 2016 2018 2020 2022 2024 Supreme Court elections 2008 2009 2011 2013 2015 2016 2017 2018 2019 2020 2023 2025
Ballot measures 2006 Referendum 1
Green Bay Mayoral elections 1995 1999 2003 2007 2011 2015 2019 2023
Madison Mayoral elections 1997 sp 1999 2003 2007 2011 2015 2019 2023
Milwaukee Mayoral elections 1910 1996 2000 2004 2008 2012 2016 2020 2022 sp 2024
Kenosha Mayoral elections 1996 2000 2004 2008 2012 2016 2020 2024
v t e

The 2010 Wisconsin Senate elections were held on Tuesday, November 2, 2010. Seventeen of the 33 seats in the Wisconsin State Senate were up for election—the odd-numbered districts.^[1] Before the election, 18 Senate seats were held by Democrats and 15 seats were held by Republicans. 10 Democratic seats and 7 Republican seats were up in this election. The primary election took place on September 14, 2010.

Republicans flipped four Democratic-held Senate seats and achieved a majority for the first time since 2004, entering the 100th Wisconsin Legislature with 19 of 33 State Senate seats.^[2]