The 31st Senate district of Wisconsin is one of 33 districts in the Wisconsin Senate. Located in western Wisconsin, the district comprises all of Eau Claire County, southeast Dunn County, and parts of southern Chippewa County and northern Trempealeau County. It includes the cities of Eau Claire, Chippewa Falls, and Menomonie.
Current elected officials Jeff Smith is the senator representing the 31st district. He was first elected in 2018 general election. He previously served in the Wisconsin State Assembly from 2007 through 2011.
Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 31st Senate district comprises the 91st, 92nd, and 93rd Assembly districts. The current representatives of those districts are: Assembly District 91: Jodi Emerson (D–Eau Claire) Assembly District 92: Clint Moses (R–Menomonie) Assembly District 93: Christian Phelps (D–Eau Claire)
The district is located almost entirely within Wisconsin's 3rd congressional district, which is represented by U.S. Representative Derrick Van Orden. The exception is one area of Chippewa County which falls within Wisconsin's 7th congressional district, represented by Tom Tiffany.
Past senators Previous senators include:Wisconsin Blue Book, 1991-92 edition, Statistics: History, pages 657-666.
Note: the boundaries of districts have changed repeatedly over history. Previous politicians of a specific numbered district have represented a completely different geographic area, due to redistricting.
Senator Party Notes Session Years District Definition District created by 1861 Wisc. Act 216. 1861 La Crosse and Monroe counties Edwin Flint Rep. 15th 1862 Angus Cameron Rep. 16th 1863 17th 1864 John A. Chandler 18th 1865 19th 1866 Justin W. Ranney 20th 1867 La Crosse and Vernon counties Rep. 21st 1868 Cyrus M. Butt Rep. 22nd 1869 23rd 1870 Angus Cameron Rep. 24th 1871 25th 1872 La Crosse County Gideon Hixon Rep. 26th 1873 27th 1874 Sylvester Nevins Rep. 28th 1875 29th 1876 Merrick Wing Rep. 30th 1877 31st 1878 Gysbert Van Steenwyk Rep. 32nd 1879 33rd 1880 Merrick Wing Rep. 34th 1881 35th 1882 Donald A. McDonald Dem. 36th 1883–1884 37th 1885–1886 Thomas A. Dyson Rep. 38th 1887–1888 39th 1889–1890 La Crosse and Vernon counties Henry Conner Dem. 40th 1891–1892 41st 1893–1894 Jackson, Monroe, and Vernon counties James J. McGillivray Rep. 42nd 1895–1896 43rd 1897–1898 Jackson, Juneau, and Monroe counties 44th 1899–1900 45th 1901–1902 46th 1903–1904 47th 1905–1906 H. W. Barker Rep. 48th 1907–1908 49th 1909–1910 Howard Teasdale Rep. 50th 1911–1912 51st 1913–1914 Jackson, Monroe, and Vernon counties J. Henry Bennett Rep. 52nd 1915–1916 53rd 1917–1918 54th 1919–1920 55th 1921–1922 Howard Teasdale Rep. 56th 1923–1924 Adams, Juneau, Monroe, and Marquette counties 57th 1925–1926 58th 1927–1928 59th 1929–1930 Orland S. Loomis Rep. 60th 1931–1932 61st 1933–1934 James Earl Leverich Prog. 62nd 1935–1936 63rd 1937–1938 Amrose B. Coller Rep. 64th 1939–1940 65th 1941–1942 James Earl Leverich Prog. 66th 1943–1944 67th 1945–1946 Rep. 68th 1947–1948 69th 1949–1950 70th 1951–1952 71st 1953–1954 72nd 1955–1956 Adams, Juneau, Monroe, Marquette, and Vernon counties 73rd 1957–1958 74th 1959–1960 75th 1961–1962 76th 1963–1964 77th 1965–1966 Eau Claire, Jackson, Monroe, and Trempealeau counties Raymond C. Johnson Rep. 78th 1967–1968 79th 1969–1970 80th 1971–1972 81st 1973–1974 Most of Clark CountyMost of Eau Claire CountyMost of Jackson CountyMost of Monroe CountyNorthern Juneau CountyNorthern Adams CountyNorthern Jackson CountyNorthern Trempealeau CountySouthwest Wood CountyPart of Waushara County Thomas Harnisch Dem. 82nd 1975–1976 83rd 1977–1978 84th 1979–1980 85th 1981–1982 Rodney C. Moen Dem. 86th 1983–1984 Buffalo, Jackson, Pepin, and Trempealeau countiesMost of Eau Claire CountyMost of Monroe County 87th 1985–1986 Buffalo, Jackson, Pepin, and Trempealeau countiesMost of Eau Claire CountyNorthern Monroe CountyPart of Clark County 88th 1987–1988 89th 1989–1990 90th 1991–1992 91st 1993–1994 Buffalo, Jackson, Pepin, and Trempealeau countiesMost of Monroe CountyParts of Eau Claire County 92nd 1995–1996 93rd 1997–1998 94th 1999–2000 95th 2001–2002 Ron Brown Rep. 96th 2003–2004 Buffalo, Jackson, Pepin, and Trempealeau countiesMost of Eau Claire CountyEastern Pierce CountyNorthern Monroe CountySouthern Dunn CountyPart of Clark County 97th 2005–2006 Kathleen Vinehout Dem. 98th 2007–2008 99th 2009–2010 100th 2011–2012 101st 2013–2014 Buffalo and Pepin counties andMost of Pierce CountyMost of Trempealeau CountyWestern Eau Claire CountySouthern Dunn CountyWestern Jackson County 102nd 2015–2016 103rd 2017–2018 Jeff Smith Dem. 104th 2019–2020 105th 2021–2022 106th 2023–2024 Buffalo, Pepin, Trempealeau counties andmost of Pierce County,southern Dunn County,western Eau Claire County,western Jackson County 107th 2025–2026
References
External links Senate District 31 at Wisconsin Legislature Senator Jeff Smith (2025) Senator Jeff Smith (2023) Senator Jeff Smith (2021) Senator Jeff Smith (2019) Senator Kathleen Vinehout (2017)