Wisconsin's 27th Senate district (original) (raw)
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American legislative district in Dane County, Wisconsin
| Wisconsin's 27thState Senate district | |
|---|---|
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  From 2024 to 2031  From 2022 to 2023  From 2012 to 20212024 map defined in 2023 Wisc. Act 942022 map defined in _Johnson v. Wisconsin Elections Commission_2011 map was defined in 2011 Wisc. Act 43composed of Assembly districts 79, 80, and 81 |
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| Senator | Dianne HesselbeinD–Middletonsince January 3, 2023 (2 years, 65 days) |
| Demographics | 80.11% White4.56% Black5.47% Hispanic8.27% Asian1.29% Native American0.09% Hawaiian/Pacific Islander |
| Population (2020) • Voting age | 179,647141,303 |
| Website | Official website |
| Notes | South-central Wisconsin |
The 27th Senate district of Wisconsin is one of 33 districts in the Wisconsin Senate.[1] Located in south-central Wisconsin, the district comprises most of the northwest quadrant of Dane County. It includes much of the west side of the city of Madison, as well as portions of Madison's far north side. The 27th also includes the suburban cities of Middleton and Verona, and the villages of Black Earth, Cross Plains, Dane, Mazomanie, and Waunakee.[2]
Current elected officials
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Dianne Hesselbein is the senator representing the 27th district since January 2023. She previously served ten years in the Wisconsin State Assembly, representing the 79th district.[3]
Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 27th Senate district comprises the 79th, 80th, and 81st Assembly districts. The current representatives of those districts are:
- Assembly District 79: Lisa Subeck (D–Madison)
- Assembly District 80: Mike Bare (D–Verona)
- Assembly District 81: Alex Joers (D–Middleton)
The district is located entirely Wisconsin's 2nd congressional district, which is represented by U.S. Representative Mark Pocan.[4]
The district has previously been represented by:[5]
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 1856 Wisc. Act 109. | 1856 | Marathon, Portage, Waupaca, Waushara, and Wood counties | |||
| Luther Hanchett | Rep. | 10th | 1857 | ||
| 11th | 1858 | ||||
| 12th | 1859 | ||||
| 13th | 1860 | ||||
| Edward L. Browne | Rep. | 14th | 1861 | ||
| 15th | 1862 | Marathon, Portage, Waupaca, and Wood counties | |||
| Alexander S. McDill | Rep. | 16th | 1863 | ||
| Natl. Union | 17th | 1864 | |||
| Milan H. Sessions | Natl. Union | 18th | 1865 | ||
| 19th | 1866 | ||||
| Edward L. Browne | Natl. Union | 20th | 1867 | ||
| 21st | 1868 | ||||
| Charles M. Webb | Rep. | 22nd | 1869 | ||
| 23rd | 1870 | ||||
| Myron Reed | Dem. | Redistricted to 21st district. | 24th | 1871 | |
| William M. Griswold | Rep. | Redistricted from 25th district. | 25th | 1872 | Columbia County |
| Evan O. Jones | Rep. | 26th | 1873 | ||
| 27th | 1874 | ||||
| Levi W. Barden | Rep. | 28th | 1875 | ||
| 29th | 1876 | ||||
| 30th | 1877 | Adams and Columbia counties | |||
| 31st | 1878 | ||||
| Charles L. Dering | Rep. | 32nd | 1879 | ||
| 33rd | 1880 | ||||
| Gilbert E. McKeeby | Rep. | 34th | 1881 | ||
| 35th | 1882 | Adams, Columbia, and Marquette counties1880 population: 43,7131885 population: 46,263 | |||
| William T. Parry | Rep. | 36th | 1883–1884 | ||
| 37th | 1885–1886 | ||||
| Levi E. Pond | Rep. | 38th | 1887–1888 | ||
| 39th | 1889–1890 | ||||
| Russell C. Falconer | Dem. | 40th | 1891–1892 | ||
| 41st | 1893–1894 | Sauk County and Western Columbia County1890 population: 44,629 | |||
| William F. Conger | Rep. | 42nd | 1895–1896 | ||
| 43rd | 1897–1898 | Columbia and Sauk counties1895 population: 63,7871900 population: 64,1271910 population: 63,998 | |||
| William G. Bissell | Rep. | 44th | 1899–1900 | ||
| 45th | 1901–1902 | ||||
| George Wylie | Rep. | 46th | 1903–1904 | ||
| 47th | 1905–1906 | ||||
| Charles L. Pearson | Dem. | 48th | 1907–1908 | ||
| 49th | 1909–1910 | ||||
| John M. True | Rep. | 50th | 1911–1912 | ||
| 51st | 1913–1914 | ||||
| George Staudenmayer | Dem. | 52nd | 1915–1916 | ||
| 53rd | 1917–1918 | ||||
| Rep. | 54th | 1919–1920 | |||
| 55th | 1921–1922 | ||||
| 56th | 1923–1924 | Columbia, Richland, and Sauk counties | |||
| 57th | 1925–1926 | ||||
| Robert Caldwell | Rep. | 58th | 1927–1928 | ||
| 59th | 1929–1930 | ||||
| Fred W. Zantow | Rep. | 60th | 1931–1932 | ||
| 61st | 1933–1934 | ||||
| E. Myrwyn Rowlands | Prog. | 62nd | 1935–1936 | ||
| 63rd | 1937–1938 | ||||
| Jess Miller | Rep. | Died Dec. 1965. | 64th | 1939–1940 | |
| 65th | 1941–1942 | ||||
| 66th | 1943–1944 | ||||
| 67th | 1945–1946 | ||||
| 68th | 1947–1948 | ||||
| 69th | 1949–1950 | ||||
| 70th | 1951–1952 | ||||
| 71st | 1953–1954 | ||||
| 72nd | 1955–1956 | Columbia, Crawford, Richland, and Sauk counties | |||
| 73rd | 1957–1958 | ||||
| 74th | 1959–1960 | ||||
| 75th | 1961–1962 | ||||
| 76th | 1963–1964 | ||||
| 77th | 1965–1966 | Adams, Columbia, Juneau, Marquette, and Sauk counties | |||
| --Vacant-- | |||||
| Walter Terry | Rep. | 78th | 1967–1968 | ||
| 79th | 1969–1970 | ||||
| Everett Bidwell | Rep. | 80th | 1971–1972 | ||
| 81st | 1973–1974 | Columbia, Marquette, and Sauk counties and Southern Adams CountyWestern Dodge CountySouthern Juneau CountyPart of Jefferson County | |||
| 82nd | 1975–1976 | ||||
| 83rd | 1977–1978 | ||||
| 84th | 1979–1980 | ||||
| 85th | 1981–1982 | ||||
| Russ Feingold | Dem. | Resigned 1992 after elected to United States Senate. | 86th | 1983–1984 | Columbia County and Most of Sauk CountyMost of Richland CountyNorthwest Dane CountyWestern Dodge County |
| 87th | 1985–1986 | Columbia County and Western Dane CountyPart of Dodge CountyPart of Green CountyPart of Rock CountyPart of Sauk County | |||
| 88th | 1987–1988 | ||||
| 89th | 1989–1990 | ||||
| 90th | 1991–1992 | ||||
| --Vacant-- | 91st | 1993–1994 | Green County and Western Dane CountyWestern Rock County | ||
| Joe Wineke | Dem. | Won 1993 special election. | |||
| 92nd | 1995–1996 | ||||
| 93rd | 1997–1998 | ||||
| Jon Erpenbach | Dem. | 94th | 1999–2000 | ||
| 95th | 2001–2002 | ||||
| 96th | 2003–2004 | Green County and Western Dane CountyPart of Lafayette CountyPart of Rock County | |||
| 97th | 2005–2006 | ||||
| 98th | 2007–2008 | ||||
| 99th | 2009–2010 | ||||
| 100th | 2011–2012 | ||||
| 101st | 2013–2014 |  Western Dane CountyMost of Sauk CountyEastern Iowa CountyPart of Columbia CountyPart of Green County |
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| 102nd | 2015–2016 | ||||
| 103rd | 2017–2018 | ||||
| 104th | 2019–2020 | ||||
| 105th | 2021–2022 | ||||
| Dianne Hesselbein | Dem. | Elected 2022. | 106th | 2023–2024 |  Western Dane County,eastern Sauk Countyeastern Iowa Countyparts of Columbia Countynorthwest Green County |
| 107th | 2025–2026 | Northwest Dane County |
- ^ "Senate District 27". Wisconsin Legislature. Retrieved March 24, 2021.
- ^ "Wisconsin Legislative Districts - Senate District 27 Boundaries". Wisconsin Legislature. Retrieved March 24, 2021.
- ^ "Senator Dianne H. Hesselbein". Wisconsin Legislature. Retrieved January 3, 2023.
- ^ "State of Wisconsin Congressional Districts" (PDF). Wisconsin Legislature. Retrieved March 10, 2021.
- ^ Wisconsin Blue Book, 1991-92 edition, Statistics: History, pages 657-666.