Wisconsin's 11th Senate district

The 11th Senate district of Wisconsin is one of 33 districts in the Wisconsin Senate.^[1] Located in southern Wisconsin, the district comprises most of Walworth County, most of Kenosha County, and southwest Racine County, along with parts of southeast Rock County. It contains the cities of Burlington, Delavan, Elkhorn, and Lake Geneva, and the villages of Clinton, Darien, East Troy, Genoa City, Paddock Lake, Sharon, Union Grove, Walworth, along with most of the village of Pleasant Prairie and part of the city of Kenosha.^[2]

Wisconsin's 11th State Senate district
From 2024 to 2031 From 2022 to 2023 From 2012 to 2021 2024 map defined in 2023 Wisc. Act 94 2022 map defined in Johnson v. Wisconsin Elections Commission 2011 map was defined in 2011 Wisc. Act 43 composed of Assembly districts 31, 32, and 33
Senator	Stephen Nass R–Whitewater since January 3, 2015 (10 years, 224 days)
Demographics	87.9% White 1.19% Black 7.41% Hispanic 1.19% Asian 1.7% Native American 0.08% Hawaiian/Pacific Islander
Population (2020)  • Voting age	177,921 139,936
Website	Official website
Notes	Southeast Wisconsin

Current elected officials

Stephen Nass is the senator representing the 11th district. He was first elected in the 2014 general election, and is now serving in his second term. Before his election as senator, he was a member of the State Assembly from 1991 to 2015.^[3]

Each Wisconsin State Senate district is composed of three State Assembly districts. The 11th Senate district comprises the 31st, 32nd, and 33rd Assembly districts. The current representatives of those districts are:^[4]

• Assembly District 31: Tyler August (R–Walworth)
• Assembly District 32: Amanda Nedweski (R–Pleasant Prairie)
• Assembly District 33: Robin Vos (R–Rochester)

The 11th Senate district is almost entirely contained within Wisconsin's 1st congressional district, which is represented by U.S. Representative Bryan Steil. The part of the district containing the northeast corner of Walworth County falls within Wisconsin's 5th congressional district, represented by Scott L. Fitzgerald.^[5]

• 
  Downtown Delavan
• 
  Downtown Elkhorn
• 
  Williams Bay, Wisconsin
• 
  Camp Lake community in the village of Salem Lakes
• 
  Richard Bong State Recreation Area
• 
  Downtown Historic District in Burlington
• 
  Lake Beulah near East Troy
• 
  Downtown Lake Geneva
• 
  Big Foot Beach State Park

Past senators

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.

Previous senators from the district include:^[6]

Senator	Party	Notes	Session	Years	District Definition
District created				1848	Washington County
Frederick W. Horn	Dem.		1st
			2nd	1849
			3rd	1850
Harvey G. Turner	Dem.		4th	1851
			5th	1852
Thomas T. Whittlesey	Dem.		6th	1853	Dane County
			7th	1854
Hiram Giles	Rep.		8th	1855
			9th	1856
			10th	1857	Eastern Dane County Town of Albion Town of Blooming Grove Town of Bristol Town of Burke Town of Christiana Town of Cottage Grove Town of Deerfield Town of Dunkirk Town of Dunn Town of Fitchburg Town of Medina Town of Montrose Town of Oregon Town of Pleasant Springs Town of Rutland Town of Sun Prairie Town of Verona Town of Windsor Town of York
			11th	1858
William Robert Taylor	Dem.		12th	1859
			13th	1860
Samuel C. Bean	Rep.		14th	1861
			15th	1862	1862–1865 1866–1870 Eastern Dane County Town of Albion Town of Blooming Grove Town of Bristol Town of Burke Town of Christiana Town of Cottage Grove Town of Deerfield Town of Dunkirk Town of Dunn Town of Medina Town of Pleasant Springs Town of Rutland Town of Sun Prairie Town of Vienna Town of Westport Town of Windsor Town of York
Willard H. Chandler	Rep.		16th	1863
			17th	1864
	Natl. Union		18th	1865
			19th	1866
Clement Warner	Natl. Union		20th	1867
	Rep.		21st	1868
Nelson Williams	Rep.		22nd	1869
			23rd	1870
William M. Colladay	Rep.	Redistricted to 7th district.	24th	1871
Henry S. Magoon	Rep.	Redistricted from 13th district.	25th	1872	Lafayette County
Francis Campbell	Rep.		26th	1873
			27th	1874
			28th	1875
			29th	1876
Thomas B. Scott	Rep.	Redistricted from 29th district.	30th	1877	Chippewa, Clark, Lincoln, Taylor, Wood counties
			31st	1878
			32nd	1879
			33rd	1880
			34th	1881
			35th	1882
Charles M. Webb	Rep.	Resigned Apr. 1883, appointed Wisconsin circuit court judge.	36th	1883–1884	Ashland, Clark, Lincoln, Price, Taylor, Wood counties
Vacant
Merritt C. Ring	Rep.	Won 1884 special election.	37th	1885–1886
George F. Merrill	Rep.		38th	1887–1888
			39th	1889–1890	Ashland, Florence, Forest, Langlade, Lincoln, Oneida, Price, Taylor counties
John T. Kingston	Dem.		40th	1891–1892
			41st	1893–1894	Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn counties
Thomas B. Mills	Rep.		42nd	1895–1896
			43rd	1897–1898	1896–1901 1902–1911 Burnett, Douglas, Polk counties
Edgar G. Mills	Rep.		44th	1899–1900
			45th	1901–1902
George Hudnall	Rep.		46th	1903–1904
			47th	1905–1906
			48th	1907–1908
			49th	1909–1910
Victor Linley	Rep.		50th	1911–1912
			51st	1913–1914	Burnett, Douglas, Washburn counties
Fred A. Baxter	Rep.		52nd	1915–1916
			53rd	1917–1918
Ray J. Nye	Rep.		54th	1919–1920
			55th	1921–1922
Vacant[note 1]			56th	1923–1924	Bayfield, Burnett, Douglas, Washburn counties
Marcus A. Kemp	Rep.	Won 1923 special election.
			57th	1925–1926
R. Bruce Johnson	Rep.		58th	1927–1928
			59th	1929–1930
Philip E. Nelson	Rep.		60th	1931–1932
			61st	1933–1934
			62nd	1935–1936
	Prog.		63rd	1937–1938
			64th	1939–1940
			65th	1941–1942
Elmer Peterson	Prog.		66th	1943–1944
			67th	1945–1946
Arthur Lenroot Jr.	Rep.		68th	1947–1948
			69th	1949–1950
			70th	1951–1952
			71st	1953–1954
Richard J. Zaborski	Dem.		72nd	1955–1956	Central Milwaukee County Wards 4, 8, 16, city of Milwaukee
			73rd	1957–1958
			74th	1959–1960
			75th	1961–1962
			76th	1963–1964
			77th	1965–1966	Central Milwaukee County Wards 8, 10, 16, city of Milwaukee
Wayne F. Whittow	Dem.	Resigned in 1976.	78th	1967–1968
			79th	1969–1970
			80th	1971–1972
			81st	1973–1974	Central Milwaukee County part of the city of Milwaukee part of the city of West Allis
			82nd	1975–1976
Warren Braun	Dem.	Won 1976 special election.	83rd	1977–1978
			84th	1979–1980
			85th	1981–1982
J. Mac Davis	Rep.	Resigned July 1990, appointed Wisconsin circuit court judge.	86th	1983–1984	Southeast Jefferson County, part of Walworth County, part of Washington County, & western Waukesha County Jefferson County Town of Palmyra Town of Sullivan Village of Palmyra Walworth County Town of La Grange Town of Whitewater Washington County Town of Erin Waukesha County Town of Delafield Town of Eagle Town of Genesee Town of Merton Town of Mukwonago Town of Oconomowoc Town of Ottawa Town of Summit Town of Waukesha Village of Chenequa Village of Dousman Village of Eagle Village of Hartland Village of Lac La Belle Village of Merton Village of Mukwonago Village of North Prairie Village of Oconomowoc Lake Village of Wales City of Delafield City of Oconomowoc City of Waukesha Wards 3-14, town of Pewaukee
			87th	1985–1986	Southeast Jefferson County, part of Washington County, & western Waukesha County Jefferson County Town of Concord Town of Palmyra Town of Sullivan Village of Palmyra Village of Sullivan Washington County Town of Richfield Waukesha County Town of Delafield Town of Eagle Town of Genesee Town of Merton Town of Oconomowoc Town of Ottawa Town of Pewaukee Town of Summit Town of Waukesha Village of Chenequa Village of Dousman Village of Eagle Village of Hartland Village of Lac La Belle Village of Merton Village of Mukwonago Village of North Prairie Village of Oconomowoc Lake Village of Pewaukee Village of Wales City of Delafield City of Oconomowoc Wards 3, 5, 6, 7, town of Brookfield Wards 1, 7-13, town of Lisbon Wards 1, 2, 3, 5, 6, town of Mukwonago Wards 12, 13, 24, city of New Berlin Wards 1, 7, 9-12, 14, 19, 22-31, city of Waukesha
			88th	1987–1988
			89th	1989–1990
Joanne Huelsman	Rep.		90th	1991–1992
			91st	1993–1994	Southeast Jefferson County, part of Rock County, part of Walworth County, part of Washington County, & western Waukesha County Jefferson County Town of Cold Spring Town of Concord Town of Hebron Town of Palmyra Town of Sullivan Village of Palmyra Village of Sullivan City of Whitewater Wards 1, 2, town of Jefferson Rock County Town of Lima City of Milton Ward 1, town of Milton Walworth County Town of Whitewater Village of Mukwonago City of Whitewater Washington County Town of Erin Ward 5, town of Richfield Waukesha County Town of Delafield Town of Eagle Town of Merton Town of Mukwonago Town of Ottawa Town of Summit Village of Chenequa Village of Dousman Village of Eagle Village of Hartland Village of Merton Village of Mukwonago Village of Nashotah Village of North Prairie Village of Wales City of Delafield Wards 2-8, town of Brookfield Wards 1-4, 7, town of Genessee Wards 2, 8-12, town of Lisbon Wards 7, 8, town of Pewaukee Wards 2-5, town of Vernon Wards 2-5, 7, 8, town of Waukesha Wards 1-16, 23-27, city of Waukesha
			92nd	1995–1996
			93rd	1997–1998
			94th	1999–2000
			95th	2001–2002
Neal Kedzie	Rep.		96th	2003–2004	Southeast Jefferson County, part of Kenosha County, most of Walworth County, & western Waukesha County Jefferson County Town of Cold Spring Town of Concord Town of Farmington Town of Hebron Town of Palmyra Town of Sullivan Village of Johnson Creek Village of Palmyra Village of Sullivan Kenosha County Town of Wheatland Walworth County Town of Bloomfield Town of Darien Town of Delavan Town of Geneva Town of Lafayetrte Town of La Grange Town of Linn Town of Lyons Town of Sharon Town of Spring Prairie Town of Sugar Creek Town of Troy Town of Walworth Village of Darien Village of Fontana-on-Geneva Lake Village of Genoa City Village of Sharon Village of Walworth Village of Williams Bay City of Delavan City of Lake Geneva City of Elkhorn Waukesha County Town of Delafield Town of Eagle Town of Genesee Town of Ottawa Town of Summit Village of Chenequa Village of Dousman Village of Eagle Village of Hartland Village of Nashotah Village of North Prairie Village of Wales Village of Oconomowoc Lake City of Delafield Wards 1, 2, 4-10, town of Mukwonago Wards 3, 7, 8, town of Waukesha Wards 7-13, city of Oconomowoc Ward 7, city of Pewaukee Wards 8, 10-15, city of Waukesha
			97th	2005–2006
			98th	2007–2008
			99th	2009–2010
			100th	2011–2012
			101st	2013–2014	Most of Walworth County southwest Waukesha County southern Jefferson County eastern Rock County part of Kenosha County
Stephen Nass	Rep.		102nd	2015–2016
			103rd	2017–2018
			104th	2019–2020
			105th	2021–2022
			106th	2023–2024	Most of Walworth County, southern Jefferson County, eastern Rock County, part of Kenosha County
			107th	2025–2026

Notes

1. Republican Ole G. Kinney was elected in 1922 but died before taking office.