Wisconsin's 20th State Senate district

The 20th Senate District of Wisconsin is one of 33 districts in the Wisconsin State Senate.[3] Located in eastern Wisconsin, the district comprises northern Ozaukee County and most of Washington County, as well as parts of eastern Fond du Lac County, western Sheboygan County, and southern Calumet County.[4]

Wisconsin's 20th
State Senate district
Map of the district
Wisconsin Senate District 20, defined in 2011 Wisc. Act 43
  Duey Stroebel
since April 15, 2015 (6 years)
Demographics95.0% White
1.0% Black
3.0% Hispanic
0.8% Asian
0.2% Native American
Population (2010)
 • Voting age
NotesEastern Wisconsin

Current elected officialsEdit

Duey Stroebel is the senator representing the 20th district. He was first elected to the Senate in a 2015 special election and was subsequently elected to a full four-year term in the 2016 general election. He previously served as a member of the Wisconsin State Assembly from 2011 to 2015.[5]

Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 20th Senate district comprises the 58th, 59th, and 60th Assembly districts. The current representatives of those districts are:[6]

The 20th Senate district, in its current borders, crosses three different congressional districts. The portion of the district in Washington County falls within Wisconsin's 5th congressional district, which is represented by U.S. Representative Scott L. Fitzgerald; the portion of the district in Calumet County is in Wisconsin's 8th congressional district, represented by U.S. Representative Mike Gallagher; the remainder of the district—in Ozaukee, Fond du Lac, and Sheboygan counties—falls within Wisconsin's 6th congressional district, represented by U.S. Representative Glenn Grothman.[7]

Past senatorsEdit

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 by 1852 Wisc. Act 499. 1852
WI Senate District 20, 1852-1871
Fond du Lac County
Bertine Pinckney[9] Dem. Redistricted from 4th district. 6th 1853
Charles A. Eldredge[9] Dem. 7th 1854
8th 1855
Edward Pier[9] Rep. 9th 1856
10th 1857
Dem. 11th 1858
12th 1859
Elihu L. Phillips[9] Rep. 13th 1860
14th 1861
George W. Mitchell[9] Dem. 15th 1862
16th 1863
George F. Wheeler[9] Natl. Union 17th 1864
18th 1865
19th 1866
20th 1867
Edward S. Bragg[9] Dem. 21st 1868
22nd 1869
Hiram S. Town[9] Rep. 23rd 1870
24th 1871
Joseph Wagner[9] Dem. 25th 1872
26th 1873
27th 1874
28th 1875
Daniel Cavanagh Dem. 29th 1876
30th 1877 Sheboygan County and
Louis Wolf[9] Dem. 31st 1878
32nd 1879
Patrick Henry Smith[9] Dem. 33rd 1880
34th 1881
35th 1882
36th 1883–1884
Ignatius Klotz Dem. 37th 1885–1886
38th 1887–1888
Major C. Mead Dem. 39th 1889–1890
40th 1891–1892
Dennis T. Phalen Dem. 41st 1893–1894 Sheboygan County
1890 population: 42,489
42nd 1895–1896
Fred A. Dennett Rep. 43rd 1897–1898 Ozaukee and Sheboygan counties
1895 population: 64,941
1900 population: 66,708
1910 population: 72,011
44th 1899–1900
George W. Wolff Rep. 45th 1901–1902
46th 1903–1904
47th 1905–1906
48th 1907–1908
Henry Krumrey Rep. 49th 1909–1910
50th 1911–1912
William J. Bichler Dem. 51st 1913–1914
52nd 1915–1916
Theodore Benfey Rep. 53rd 1917–1918
54th 1919–1920
55th 1921–1922
56th 1923–1924
Herman E. Boldt Rep. 57th 1925–1926
58th 1927–1928
59th 1929–1930
60th 1931–1932
Harry W. Bolens Dem. 61st 1933–1934
62nd 1935–1936
63rd 1937–1938
64th 1939–1940
Gustave W. Buchen Rep. 65th 1941–1942
66th 1943–1944
67th 1945–1946
68th 1947–1948
69th 1949–1950
70th 1951–1952
Louis H. Prange Rep. Died Aug. 1957. 71st 1953–1954
72nd 1955–1956
73rd 1957–1958
Harold F. Huibregtse Rep. Won 1958 special election.
74th 1959–1960
Ernest Keppler Rep. Resigned 1979 after election as Wisconsin circuit court judge. 75th 1961–1962
76th 1963–1964
77th 1965–1966
78th 1967–1968
79th 1969–1970
80th 1971–1972
81st 1973–1974 Northern Ozaukee County
Most of Sheboygan County
82nd 1975–1976
83rd 1977–1978
--Vacant-- 84th 1979–1980
David W. Opitz Rep. Won 1979 special election.
85th 1981–1982
86th 1983–1984 Ozaukee County and
Southeast Sheboygan County
Eastern Washington County
Donald K. Stitt Rep. Resigned 1993. 87th 1985–1986 Most of Ozaukee County
Most of Washington County
Eastern Dodge County
Part of Fond du Lac County
Part of Sheboygan County
88th 1987–1988
89th 1989–1990
90th 1991–1992
91st 1993–1994 Most of Ozaukee County
Most of Washington County
Part of Dodge County
Part of Sheboygan County
Mary Panzer Rep. Won 1993 special election.
92nd 1995–1996
93rd 1997–1998
94th 1999–2000
95th 2001–2002
96th 2003–2004 Most of Ozaukee County
Most of Washington County
Southern Sheboygan County
Southeast Fond du Lac County
Part of Dodge County
Glenn Grothman Rep. Resigned 2015 after election to U.S. House. 97th 2005–2006
98th 2007–2008
99th 2009–2010
100th 2011–2012
101st 2013–2014 Most of Washington County
Northern Ozaukee County
Western Sheboygan County
Eastern Fond du Lac County
Part of Calumet County
—Vacant-- 102nd 2015–2016
Duey Stroebel Rep.
103rd 2017–2018
104th 2019–2020
105th 2021–2022


  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. 135–143. Retrieved January 30, 2021.
  2. ^ Wisconsin Legislative District Health Profile - Senate District 20 (PDF) (Report). University of Wisconsin School of Medicine and Public Health. 2018. Retrieved January 30, 2021.
  3. ^ "Senate District 20". Wisconsin Legislature. Retrieved March 12, 2021.
  4. ^ "Wisconsin Legislative Districts - Senate District 20 Boundaries". Wisconsin Legislature. Retrieved March 12, 2021.
  5. ^ "Senator Duey Stroebel". Wisconsin Legislature. Retrieved March 12, 2021.
  6. ^ Wisconsin Blue Book, 2013-14 edition, page 58. ISBN 978-0-9752820-1-4.
  7. ^ "State of Wisconsin Congressional Districts" (PDF). Wisconsin Legislature. Retrieved March 10, 2021.
  8. ^ Wisconsin Blue Book, 1991-92 edition, Statistics: History, pages 657-666.
  9. ^ a b c d e f g h i j k Heg, J. E., ed. (1882). "Annals of the Legislature" (PDF). The Blue Book of the state of Wisconsin (Report). State of Wisconsin. Retrieved March 11, 2021.

External linksEdit