Wisconsin's 15th State Senate district

Wisconsin's 15th
State Senate district
Wisconsin's 15th; State Senate district
	Wisconsin Senate District 15, defined in 2011 Wisc. Act 43
Senator
	Janis Ringhand; D–Evansville
	since January 3, 2015 (7 years)
Demographics	85.1% White; 3.2% Black; 8.0% Hispanic; 1.1% Asian; 0.2% Native American; 2.4% Other
Population (2010); • Voting age	172,496 ; 131,642

The 15th Senate District of Wisconsin is one of 33 districts in the Wisconsin State Senate.^[3] Located in southern Wisconsin, the district comprises western Rock County, southeast Green County, and parts of southeast Dane County, Southwest Jefferson County, and northwest Walworth County. It includes most of the city of Janesville and the western part of the city of Beloit, as well as the cities of Brodhead, Edgerton, Evansville, Milton, and Whitewater.^[4]

Current elected officials[]

Janis Ringhand is the senator representing the 15th district. She was first elected in the 2014 general election and is now in her second four-year term. She previously represented Janesville in the Wisconsin State Assembly from 2011 to 2015.^[5]

Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 15th Senate district comprises the 43rd, 44th, and 45th Assembly districts. The current representatives of those districts are:^[6]

Assembly District 43: Don Vruwink (D–Milton)
Assembly District 44: Sue S. Conley (D–Janesville)
Assembly District 45: Mark Spreitzer (D–Beloit)

The 15th Senate district, in its current borders, crosses three different congressional districts. The portion of the district in Jefferson County, and the city of Whitewater, which is partly in Walworth County, falls within Wisconsin's 5th congressional district, which is represented by U.S. Representative Scott L. Fitzgerald; the remainder of Walworth County and the cities of Janesville and Milton and the eastern part of Rock County fall within Wisconsin's 1st congressional district, which is represented by U.S. Representative Bryan Steil; the remainder of the district, in Dane, Green, and Rock counties, falls within Wisconsin's 2nd congressional district, which is represented by U.S. Representative Mark Pocan.^[7]

Past senators[]

The district has previously been represented by:^[8]

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				1848	Rock County
Otis Norton	Whig		1st	1848
			2nd	1849
			3rd	1850
Andrew Palmer	Dem.		4th	1851
Andrew Palmer	Dem.		5th	1852
Levi Sterling	Whig		6th	1853	1852–1855 1856–1860 Iowa & Richland counties
Levi Sterling	Whig		7th	1854
Amasa Cobb	Rep.		8th	1855
Amasa Cobb	Rep.		9th	1856
Lemuel W. Joiner	Rep.		10th	1857
Lemuel W. Joiner	Rep.		11th	1858
Charles Rodolf	Dem.		12th	1859
Charles Rodolf	Dem.		13th	1860
Lemuel W. Joiner	Rep.		14th	1861
Lemuel W. Joiner	Rep.		15th	1862	1861–1865 1866–1870 Iowa County
George L. Frost	Dem.		16th	1863
George L. Frost	Dem.		17th	1864
Wyman Lincoln	Natl. Union		18th	1865
Wyman Lincoln	Natl. Union		19th	1866
Joel Whitman	Natl. Union		20th	1867
Joel Whitman	Rep.		21st	1868
Lemuel W. Joiner	Rep.		22nd	1869
Lemuel W. Joiner	Rep.		23rd	1870
Francis Little	Rep.		24th	1871
Francis Little	Rep.		25th	1872	1871–1875 1876–1881 1882–1887 Manitowoc County
Carl H. Schmidt	Dem.		26th	1873
Carl H. Schmidt	Dem.		27th	1874
John Schuette	Rep.		28th	1875
John Schuette	Rep.		29th	1876
Joseph Rankin	Dem.		30th	1877
			31st	1878
			32nd	1879
			33rd	1880
			34th	1881
			35th	1882
John Carey	Dem.		36th	1883–1884
			37th	1885–1886
			38th	1887–1888
William F. Nash	Dem.	Won 1888 special election.	39th	1889–1890	Kewaunee & Manitowoc counties
			40th	1891–1892	Kewaunee & Manitowoc counties
			41st	1893–1894	1892–1895 1896–1901 1902–1911 1912–1921 Calumet & Manitowoc counties
John McMullen	Dem.		42nd	1895–1896
John McMullen	Dem.		43rd	1897–1898
Norman Knudson	Rep.		44th	1899–1900
Norman Knudson	Rep.		45th	1901–1902
Samuel W. Randolph	Dem.		46th	1903–1904
			47th	1905–1906
			48th	1907–1908
			49th	1909–1910
			50th	1911–1912
			51st	1913–1914
Henry Rollman	Dem.		52nd	1915–1916
Henry Rollman	Dem.		53rd	1917–1918
Henry Kleist	Soc.		54th	1919–1920
Henry Kleist	Soc.		55th	1921–1922
Alva Garey	Rep.		56th	1923–1924	1922–1953 1954–1963 Rock County
Alva Garey	Rep.		57th	1925–1926
George W. Blanchard	Rep.	Resigned 1933 after election to U.S. House.	58th	1927–1928
			59th	1929–1930
			60th	1931–1932
			61st	1933–1934
—Vacant--
Alexander Paul	Dem.	Won 1933 special election.
Maurice Coakley	Rep.		62nd	1935–1936
			63rd	1937–1938
			64th	1939–1940
			65th	1941–1942
Robert P. Robinson	Rep.		66th	1943–1944
			67th	1945–1946
			68th	1947–1948
			69th	1949–1950
			70th	1951–1952
			71st	1953–1954
Peter P. Carr	Rep.		72nd	1955–1956
			73rd	1957–1958
			74th	1959–1960
			75th	1961–1962
			76th	1963–1964
			77th	1965–1966	Walworth County & eastern Rock County Town of Bradford Town of Clinton Town of Harmony Town of Johnstown Town of La Prairie Town of Turtle Village of Clinton City of Beloit City of Janesville
George M. Borg	Rep.	Resigned Aug. 1967.	78th	1967–1968
—Vacant--
James D. Swan	Rep.	Won 1967 special election.
			79th	1969–1970
			80th	1971–1972
			81st	1973–1974	Western Racine County, eastern Rock County, & most of Walworth County Racine County Town of Burlington Town of Norway Town of Rochester Town of Waterford Village of Rochester Village of Waterford City of Burlington Rock County Town of Beloit Town of Bradford Town of Clinton Town of Johnstown Town of La Prairie Town of Lima Town of Rock Town of Turtle Village of Clinton City of Beloit Part of the city of Janesville Walworth County Town of Darien Town of Delavan Town of East Troy Town of Geneva Town of La Grange Town of Lafayette Town of Linn Town of Lyons Town of Richmond Town of Sharon Town of Spring Prairie Town of Sugar Creek Town of Troy Town of Walworth Town of Whitewater Village of Darien Village of East Troy Village of Fontana-on-Geneva Lake Village of Sharon Village of Walworth Village of Williams Bay City of Delavan City of Elkhorn City of Lake Geneva Part of the city of Whitewater
Timothy Cullen	Dem.	Resigned 1987 after appointed Secretary of Wisconsin Department of Health Services.	82nd	1975–1976
			83rd	1977–1978
			84th	1979–1980
			85th	1981–1982
			86th	1983–1984	Most of Walworth County Southeast and central Rock County Town of Beloit Town of Bradford Town of Clinton Town of Janesville Town of La Prairie Town of Rock Town of Turtle Village of Clinton City of Beloit Wards 1-13, 20, 21, City of Janesville
			87th	1985–1986	Most of Walworth County South and central Rock County Town of Beloit Town of Bradford Town of Clinton Town of Janesville Town of La Prairie Town of Newark Town of Rock Town of Turtle Village of Clinton City of Beloit Wards 1, 3-14, 20, 21, City of Janesville
—Vacant--			88th	1987–1988
Timothy Weeden	Rep.	Won 1987 special election.	88th	1987–1988
			89th	1989–1990
			90th	1991–1992
			91st	1993–1994	Most Walworth County Town of Darien Town of Delavan Town of La Grange Town of Lafayette Town of Linn Town of Lyons Town of Richmond Town of Sharon Town of Spring Prairie Town of Sugar Creek Town of Walworth Village of Darien Village of Fontana-on-Geneva Lake Village of Sharon Village of Walworth Village of Williams Bay City of Delavan City of Elkhorn Wards 1-6, 8, Town of Geneva South and east Rock County Town of Beloit Town of Bradford Town of Clinton Town of Johnstown Town of La Prairie Town of Newark Town of Rock Town of Turtle Village of Clinton City of Beloit Wards 2-4, Town of Harmony Wards 1-10, 13-22, City of Janesville
			92nd	1995–1996
			93rd	1997–1998
Judy Robson	Dem.		94th	1999–2000
			95th	2001–2002
			96th	2003–2004	Most of Rock County Town of Avon Town of Beloit Town of Bradford Town of Center Town of Clinton Town of Fulton Town of Harmony Town of Janesville Town of Johnstown Town of La Prairie Town of Milton Town of Newark Town of Plymouth Town of Porter Town of Rock Town of Spring Valley Town of Turtle Village of Clinton Village of Footville Village of Orfordville City of Beloit City of Edgerton City of Janesville City of Milton Part of Northwest Walworth County Town of Richmond Town of Whitewater City of Whitewater Part of Jefferson County City of Whitewater Part of Dane County City of Edgerton
			97th	2005–2006
			98th	2007–2008
			99th	2009–2010
Timothy Cullen	Dem.		100th	2011–2012
Timothy Cullen	Dem.		101st	2013–2014	Most of Rock County Southeast Green County Southeast Dane County Southwest Jefferson County Town of Cold Spring Town of Sumner Part of the Town of Koshkonong City of Whitewater Part of northwest Walworth County Town of Whitewater City of Whitewater
Janis Ringhand	Dem.		102nd	2015–2016
			103rd	2017–2018
			104th	2019–2020
			105th	2021–2022

Notes[]

^ 2011 Wisconsin Act 43 and 44 with Baldus et al vs. Brennan et al by Municipal Ward (PDF) (Report). Wisconsin Legislative Reference Bureau. October 18, 2012. pp. 99–105. Retrieved January 30, 2021.
^ Wisconsin Legislative District Health Profile - Senate District 15 (PDF) (Report). University of Wisconsin School of Medicine and Public Health. 2018. Retrieved January 30, 2021.
^ "Senate District 15". Wisconsin Legislature. Retrieved March 9, 2021.
^ "Wisconsin Legislative Districts - Senate District 15 Boundaries". Wisconsin Legislature. Retrieved March 9, 2021.
^ "Senator Janis A. Ringhand". Wisconsin Legislature. Retrieved March 9, 2021.
^ Wisconsin Blue Book, 2011-12 edition, page 48. ISBN 978-0-9752820-1-4.
^ "State of Wisconsin Congressional Districts" (PDF). Wisconsin Legislature. Retrieved March 7, 2021.
^ Wisconsin Blue Book, 1991-92 edition, Statistics: History, pages 657-666.

External links[]

District Website

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[1] 2011 Wisconsin Act 43 and 44 with Baldus et al vs. Brennan et al by Municipal Ward (PDF) (Report). Wisconsin Legislative Reference Bureau. October 18, 2012. pp. 99–105. Retrieved January 30, 2021.

[2] Wisconsin Legislative District Health Profile - Senate District 15 (PDF) (Report). University of Wisconsin School of Medicine and Public Health. 2018. Retrieved January 30, 2021.

[3] "Senate District 15". Wisconsin Legislature. Retrieved March 9, 2021.

[4] "Wisconsin Legislative Districts - Senate District 15 Boundaries". Wisconsin Legislature. Retrieved March 9, 2021.

[5] "Senator Janis A. Ringhand". Wisconsin Legislature. Retrieved March 9, 2021.

[6] Wisconsin Blue Book, 2011-12 edition, page 48. ISBN 978-0-9752820-1-4.

[7] "State of Wisconsin Congressional Districts" (PDF). Wisconsin Legislature. Retrieved March 7, 2021.

[8] Wisconsin Blue Book, 1991-92 edition, Statistics: History, pages 657-666.

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