# Wisconsin's 18th Senate district

The 18th Senate district of Wisconsin is one of 33 districts in the Wisconsin Senate. Located in the heart of the Fox Cities in east-central Wisconsin, the district comprises parts of northeast Winnebago County and southern Outagamie County. It includes the cities of Menasha and Neenah, most of the city of Appleton, and the northern half of the city of Oshkosh. It contains landmarks such as College Avenue Historic District, Lawrence University, and the University of Wisconsin–Oshkosh campus.

## Current elected officials

Kristin Alfheim is the senator representing the 18th district. She was first elected to the Senate in the 2024 general election.
Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 18th Senate district comprises the 52nd, 53rd, and 54th Assembly districts. The current representatives of those districts are:
* Assembly District 52: Lee Snodgrass (D–Appleton)
* Assembly District 53: Dean Kaufert (R–Neenah)
* Assembly District 54: Lori Palmeri (D–Oshkosh)
The district is crosses two congressional districts. The part of the district in Outagamie County falls within Wisconsin's 8th congressional district, which is represented by U.S. Representative Mike Gallagher. The remainder of the district in Winnebago County falls within Wisconsin's 6th congressional district, represented by U.S. Representative Glenn Grothman.
* Thrivent Financial Appleton headquarters
* College Avenue Historic District in downtown Appleton
* Main Hall of Lawrence University
* Downtown Menasha
* Kimberly Point Lighthouse on Neenah Point
* Neenah City Hall
* Doty Island viewed from Neenah
* Downtown Oshkosh
* Historic Dempsey Hall on the University of Wisconsin–Oshkosh campus
* Where the Fox River meets Lake Winnebago

## Past senators

The district has previously been represented by:
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. Prior to 1852, the 18th District was a Milwaukee-area district.
| Senator | Party | Notes | Session | Years | District Definition |
| District created | District created | District created | District created | 1848 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| Asa Kinney | Dem. | | 1st | 1848 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| Asa Kinney | Dem. | | 2nd | 1849 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| Duncan Reed | Dem. | Redistricted to 6th district. | 3rd | 1850 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| Duncan Reed | Dem. | Redistricted to 6th district. | 4th | 1851 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| Duncan Reed | Dem. | Redistricted to 6th district. | 5th | 1852 | Southern Milwaukee County Town of Franklin Town of Greenfield Town of Lake Town of Oak Creek Wards 3, 4, 5, City of Milwaukee |
| John R. Briggs Jr. | Whig | Won 1852 special election. | 6th | 1853 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle |
| Louis P. Harvey | Rep. | | 7th | 1854 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle |
| Louis P. Harvey | Rep. | | 8th | 1855 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle |
| Louis P. Harvey | Rep. | | 9th | 1856 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle |
| Louis P. Harvey | Rep. | | 10th | 1857 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle City of Beloit |
| Alden I. Bennett | Rep. | | 11th | 1858 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle City of Beloit |
| Alden I. Bennett | Rep. | | 12th | 1859 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle City of Beloit |
| Alden I. Bennett | Rep. | | 13th | 1860 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle City of Beloit |
| Alden I. Bennett | Rep. | | 14th | 1861 | Eastern Rock County Town of Beloit Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Lima Town of Milton Town of Turtle City of Beloit |
| Joel Rich | Dem. | | 15th | 1862 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Clyman Town of Elba Town of Emmet Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Westford City of Beaver Dam South Ward, Village of Waupun Wards 5, 6, City of Watertown |
| Joel Rich | Dem. | | 16th | 1863 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Clyman Town of Elba Town of Emmet Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Westford City of Beaver Dam South Ward, Village of Waupun Wards 5, 6, City of Watertown |
| William E. Smith | Natl. Union | | 17th | 1864 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Clyman Town of Elba Town of Emmet Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Westford City of Beaver Dam South Ward, Village of Waupun Wards 5, 6, City of Watertown |
| William E. Smith | Natl. Union | | 18th | 1865 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Clyman Town of Elba Town of Emmet Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Westford City of Beaver Dam South Ward, Village of Waupun Wards 5, 6, City of Watertown |
| Stoddard Judd | Natl. Union | | 19th | 1866 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Clyman Town of Elba Town of Emmet Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Westford City of Beaver Dam South Ward, Village of Waupun Wards 5, 6, City of Watertown |
| Stoddard Judd | Natl. Union | | 20th | 1867 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Elba Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Trenton Town of Westford City of Beaver Dam South Ward, Village of Waupun |
| Henry W. Lander | Dem. | | 21st | 1868 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Elba Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Trenton Town of Westford City of Beaver Dam South Ward, Village of Waupun |
| Henry W. Lander | Dem. | | 22nd | 1869 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Elba Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Trenton Town of Westford City of Beaver Dam South Ward, Village of Waupun |
| Samuel D. Burchard | Dem. | | 23rd | 1870 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Elba Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Trenton Town of Westford City of Beaver Dam South Ward, Village of Waupun |
| Samuel D. Burchard | Dem. | | 24th | 1871 | Western Dodge County Town of Beaver Dam Town of Burnett Town of Calamus Town of Chester Town of Elba Town of Fox Lake Town of Lowell Town of Oak Grove Town of Portland Town of Shields Town of Trenton Town of Westford City of Beaver Dam South Ward, Village of Waupun |
| William Hiner | Rep. | | 25th | 1872 | Western Fond du Lac County Town of Alto Town of Eldorado Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun |
| William Hiner | Rep. | | 26th | 1873 | Western Fond du Lac County Town of Alto Town of Eldorado Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun |
| William Hiner | Rep. | | 27th | 1874 | Western Fond du Lac County Town of Alto Town of Eldorado Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun |
| William Hiner | Rep. | | 28th | 1875 | Western Fond du Lac County Town of Alto Town of Eldorado Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun |
| William Hiner | Rep. | | 29th | 1876 | Western Fond du Lac County Town of Alto Town of Eldorado Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun |
| William Hiner | Rep. | | 30th | 1877 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Alonzo A. Loper | Rep. | | 31st | 1878 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Alonzo A. Loper | Rep. | | 32nd | 1879 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| George E. Sutherland | Rep. | | 33rd | 1880 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| George E. Sutherland | Rep. | | 34th | 1881 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Edward Colman | Rep. | | 35th | 1882 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Edward Colman | Rep. | | 36th | 1883–1884 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| James F. Ware | Rep. | | 37th | 1885–1886 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| James F. Ware | Rep. | | 38th | 1887–1888 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Samuel B. Stanchfield | Rep. | | 39th | 1889–1890 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Samuel B. Stanchfield | Rep. | | 40th | 1891–1892 | 1876–1881 1882–1887 1888–1891 Western Fond du Lac County Town of Alto Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Metomen Town of Oakfield Town of Ripon Town of Rosendale Town of Springvale Town of Waupun City of Fond du Lac City of Ripon North Ward, Village of Waupun 1885 population: 34,172 |
| Samuel M. Smead | Dem. | Resigned Jan. 1895. | 41st | 1893–1894 | Fond du Lac County 1890 population: 42,088 |
| Lyman W. Thayer | Rep. | Won 1895 special election. | 42nd | 1895–1896 | Fond du Lac County 1890 population: 42,088 |
| Lyman W. Thayer | Rep. | Won 1895 special election. | 43rd | 1897–1898 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Lyman W. Thayer | Rep. | Won 1895 special election. | 44th | 1899–1900 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Elmer D. Morse | Rep. | | 45th | 1901–1902 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Elmer D. Morse | Rep. | | 46th | 1903–1904 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Charles H. Smith | Dem. | | 47th | 1905–1906 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Charles H. Smith | Dem. | | 48th | 1907–1908 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Edward H. Lyons | Rep. | | 49th | 1909–1910 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Edward H. Lyons | Rep. | | 50th | 1911–1912 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Lewis G. Kellogg | Dem. | | 51st | 1913–1914 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Lewis G. Kellogg | Dem. | | 52nd | 1915–1916 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Albert J. Pullen | Rep. | | 53rd | 1917–1918 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| Albert J. Pullen | Rep. | | 54th | 1919–1920 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| William A. Titus | Rep. | | 55th | 1921–1922 | 1896–1901 1902–1911 1912–1921 Fond du Lac & Green Lake counties 1895 population: 63,375 1900 population: 63,386 |
| William A. Titus | Rep. | | 56th | 1923–1924 | Fond du Lac, Green Lake, and Waushara counties |
| William A. Titus | Rep. | | 57th | 1925–1926 | Fond du Lac, Green Lake, and Waushara counties |
| William A. Titus | Rep. | | 58th | 1927–1928 | Fond du Lac, Green Lake, and Waushara counties |
| Louis J. Fellenz Sr. | Rep. | | 59th | 1929–1930 | Fond du Lac, Green Lake, and Waushara counties |
| Louis J. Fellenz Sr. | Rep. | | 60th | 1931–1932 | Fond du Lac, Green Lake, and Waushara counties |
| Morley Garfield Kelly | Dem. | | 61st | 1933–1934 | Fond du Lac, Green Lake, and Waushara counties |
| Morley Garfield Kelly | Dem. | | 62nd | 1935–1936 | Fond du Lac, Green Lake, and Waushara counties |
| Morvin Duel | Rep. | | 63rd | 1937–1938 | Fond du Lac, Green Lake, and Waushara counties |
| Morvin Duel | Rep. | | 64th | 1939–1940 | Fond du Lac, Green Lake, and Waushara counties |
| Louis J. Fellenz Jr. | Rep. | Elected 1940. Resigned June 1944. | 65th | 1941–1942 | Fond du Lac, Green Lake, and Waushara counties |
| Louis J. Fellenz Jr. | Rep. | Elected 1940. Resigned June 1944. | 66th | 1943–1944 | Fond du Lac, Green Lake, and Waushara counties |
| Fond du Lac, Green Lake, and Waushara counties |||
| Louis J. Fellenz Jr. | Rep. | Elected 1944. | 67th | 1945–1946 | Fond du Lac, Green Lake, and Waushara counties |
| Louis J. Fellenz Jr. | Rep. | Elected 1944. | 68th | 1947–1948 | Fond du Lac, Green Lake, and Waushara counties |
| Alfred Van De Zande | Rep. | | 69th | 1949–1950 | Fond du Lac, Green Lake, and Waushara counties |
| Alfred Van De Zande | Rep. | | 70th | 1951–1952 | Fond du Lac, Green Lake, and Waushara counties |
| Alfred Van De Zande | Rep. | | 71st | 1953–1954 | Fond du Lac, Green Lake, and Waushara counties |
| Alfred Van De Zande | Rep. | | 72nd | 1955–1956 | Fond du Lac, Green Lake, and Waushara counties |
| Walter G. Hollander | Rep. | | 73rd | 1957–1958 | Fond du Lac, Green Lake, and Waushara counties |
| Walter G. Hollander | Rep. | | 74th | 1959–1960 | Fond du Lac, Green Lake, and Waushara counties |
| Walter G. Hollander | Rep. | | 75th | 1961–1962 | Fond du Lac, Green Lake, and Waushara counties |
| Walter G. Hollander | Rep. | | 76th | 1963–1964 | Fond du Lac, Green Lake, and Waushara counties |
| Walter G. Hollander | Rep. | | 77th | 1965–1966 | Fond du Lac County and Western Dodge County |
| Walter G. Hollander | Rep. | | 78th | 1967–1968 | Fond du Lac County and Western Dodge County |
| Walter G. Hollander | Rep. | | 79th | 1969–1970 | Fond du Lac County and Western Dodge County |
| Walter G. Hollander | Rep. | | 80th | 1971–1972 | Fond du Lac County and Western Dodge County |
| Walter G. Hollander | Rep. | | 81st | 1973–1974 | Most of Dodge County Central Fond du Lac County Northwest Washington County Part of Jefferson County |
| Walter G. Hollander | Rep. | | 82nd | 1975–1976 | Most of Dodge County Central Fond du Lac County Northwest Washington County Part of Jefferson County |
| Scott McCallum | Rep. | Resigned 1986 after elected Lieutenant Governor of Wisconsin. | 83rd | 1977–1978 | Most of Dodge County Central Fond du Lac County Northwest Washington County Part of Jefferson County |
| Scott McCallum | Rep. | Resigned 1986 after elected Lieutenant Governor of Wisconsin. | 84th | 1979–1980 | Most of Dodge County Central Fond du Lac County Northwest Washington County Part of Jefferson County |
| Scott McCallum | Rep. | Resigned 1986 after elected Lieutenant Governor of Wisconsin. | 85th | 1981–1982 | Most of Dodge County Central Fond du Lac County Northwest Washington County Part of Jefferson County |
| Scott McCallum | Rep. | Resigned 1986 after elected Lieutenant Governor of Wisconsin. | 86th | 1983–1984 | Central Fond du Lac County Eastern Dodge County Southern Winnebago County Northwest Washington County |
| Scott McCallum | Rep. | Resigned 1986 after elected Lieutenant Governor of Wisconsin. | 87th | 1985–1986 | Eastern Fond du Lac County Southeast Winnebago County Northeast Washington County Part of Ozaukee County Part of Sheboygan County |
| --Vacant-- | --Vacant-- | --Vacant-- | 88th | 1987–1988 | Eastern Fond du Lac County Southeast Winnebago County Northeast Washington County Part of Ozaukee County Part of Sheboygan County |
| Carol Roessler | Rep. | Won 1987 special election. | 88th | 1987–1988 | Eastern Fond du Lac County Southeast Winnebago County Northeast Washington County Part of Ozaukee County Part of Sheboygan County |
| Carol Roessler | Rep. | Won 1987 special election. | 89th | 1989–1990 | Eastern Fond du Lac County Southeast Winnebago County Northeast Washington County Part of Ozaukee County Part of Sheboygan County |
| Carol Roessler | Rep. | Won 1987 special election. | 90th | 1991–1992 | Eastern Fond du Lac County Southeast Winnebago County Northeast Washington County Part of Ozaukee County Part of Sheboygan County |
| Carol Roessler | Rep. | Won 1987 special election. | 91st | 1993–1994 | Central Fond du Lac County Southeast Winnebago County Parts of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 92nd | 1995–1996 | Central Fond du Lac County Southeast Winnebago County Parts of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 93rd | 1997–1998 | Central Fond du Lac County Southeast Winnebago County Parts of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 94th | 1999–2000 | Central Fond du Lac County Southeast Winnebago County Parts of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 95th | 2001–2002 | Central Fond du Lac County Southeast Winnebago County Parts of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 96th | 2003–2004 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 97th | 2005–2006 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Carol Roessler | Rep. | Won 1987 special election. | 98th | 2007–2008 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Randy Hopper | Rep. | Lost 2011 recall election. | 99th | 2009–2010 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Randy Hopper | Rep. | Lost 2011 recall election. | 100th | 2011–2012 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Jessica King | Dem. | Won 2011 recall election. | 100th | 2011–2012 | Central Fond du Lac County Southern Winnebago County Part of Dodge County |
| Rick Gudex | Rep. | | 101st | 2013–2014 | Central Fond du Lac County, southern Winnebago County, & part of Dodge County Fond du Lac County Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Oakfield Town of Rosendale Town of Springvale Town of Taycheedah Town of Waupun Village of North Fond du Lac Village of Oakfield Village of Rosendale City of Fond du Lac City of Waupun Western ward, Town of Calumet Winnebago County Town of Algoma Town of Black Wolf Town of Nekimi Town of Nepeuskun Town of Omro Town of Oshkosh Town of Rushford Town of Utica City of Omro City of Oshkosh Dodge County City of Waupun |
| Rick Gudex | Rep. | | 102nd | 2015–2016 | Central Fond du Lac County, southern Winnebago County, & part of Dodge County Fond du Lac County Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Oakfield Town of Rosendale Town of Springvale Town of Taycheedah Town of Waupun Village of North Fond du Lac Village of Oakfield Village of Rosendale City of Fond du Lac City of Waupun Western ward, Town of Calumet Winnebago County Town of Algoma Town of Black Wolf Town of Nekimi Town of Nepeuskun Town of Omro Town of Oshkosh Town of Rushford Town of Utica City of Omro City of Oshkosh Dodge County City of Waupun |
| Dan Feyen | Rep. | | 103rd | 2017–2018 | Central Fond du Lac County, southern Winnebago County, & part of Dodge County Fond du Lac County Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Oakfield Town of Rosendale Town of Springvale Town of Taycheedah Town of Waupun Village of North Fond du Lac Village of Oakfield Village of Rosendale City of Fond du Lac City of Waupun Western ward, Town of Calumet Winnebago County Town of Algoma Town of Black Wolf Town of Nekimi Town of Nepeuskun Town of Omro Town of Oshkosh Town of Rushford Town of Utica City of Omro City of Oshkosh Dodge County City of Waupun |
| Dan Feyen | Rep. | | 104th | 2019–2020 | Central Fond du Lac County, southern Winnebago County, & part of Dodge County Fond du Lac County Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Oakfield Town of Rosendale Town of Springvale Town of Taycheedah Town of Waupun Village of North Fond du Lac Village of Oakfield Village of Rosendale City of Fond du Lac City of Waupun Western ward, Town of Calumet Winnebago County Town of Algoma Town of Black Wolf Town of Nekimi Town of Nepeuskun Town of Omro Town of Oshkosh Town of Rushford Town of Utica City of Omro City of Oshkosh Dodge County City of Waupun |
| Dan Feyen | Rep. | | 105th | 2021–2022 | Central Fond du Lac County, southern Winnebago County, & part of Dodge County Fond du Lac County Town of Byron Town of Eldorado Town of Empire Town of Fond du Lac Town of Friendship Town of Lamartine Town of Oakfield Town of Rosendale Town of Springvale Town of Taycheedah Town of Waupun Village of North Fond du Lac Village of Oakfield Village of Rosendale City of Fond du Lac City of Waupun Western ward, Town of Calumet Winnebago County Town of Algoma Town of Black Wolf Town of Nekimi Town of Nepeuskun Town of Omro Town of Oshkosh Town of Rushford Town of Utica City of Omro City of Oshkosh Dodge County City of Waupun |
| Dan Feyen | Rep. | | 106th | 2023–2024 | Central Fond du Lac County, southern Winnebago County, part of Dodge County |
| Kristin Alfheim | Dem. | Elected 2024. | 107th | 2025–2026 | Part of eastern Winnebago County part of southern Outagamie County |