Wisconsin's 12th Senate district
The 12th Senate district of Wisconsin is one of 33 districts in the Wisconsin Senate .[ 1] Located in northern Wisconsin, the district comprises Florence , Forest , Langlade , Lincoln , Marinette , Oneida , and Vilas counties, and parts of northern Oconto County , northwest Shawano County , and northeast Marathon County . It contains the cities of Antigo , Eagle River , Marinette , Merrill , Peshtigo , Rhinelander , and Tomahawk .[ 2]
Current elected officials
Mary Felzkowski is the senator representing the 12th district. She was first elected in the 2020 general election . She previously served 8 years in the State Assembly .[ 3]
Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 12th Senate district comprises the 34th, 35th, and 36th Assembly districts. The current representatives of those districts are:[ 4]
The 12th Senate district is split between two congressional districts. The portion of the district in Florence, Forest, Langlade, Oneida, Vilas, Lincoln, and Marathon counties falls within the Wisconsin's 7th congressional district , which is represented by U.S. Representative Tom Tiffany ; the remainder of the district, which falls within Marinette, Oconto, Menominee, and Shawano counties, is in Wisconsin's 8th congressional district , which is represented by U.S. Representative Mike Gallagher .[ 5]
Past senators
Past senators include:[ 6]
Note: the boundaries of the district has changed repeatedly over history. Previous politicians of this district have represented a completely different geographic area, due to redistricting . The district definitions for the given era are specified in the "District definition" column.
Senator
Party
Notes
Session
Years
District Definition
--District created--
1848
Jefferson County
Myron B. Williams
Dem.
1st
2nd
1849
Peter H. Turner
Dem.
3rd
1850
4th
1851
Alva Stewart
Whig
Transitioned to 14th district
5th
1852
Eleazer Wakeley
Dem.
6th
1853
1852–1855 1856–1860 1861–1865 1866–1870 Walworth County
7th
1854
8th
1855
Jesse C. Mills
Rep.
9th
1856
10th
1857
John W. Boyd
Rep.
11th
1858
12th
1859
Oscar F. Bartlett
Rep.
13th
1860
14th
1861
Wyman Spooner
Rep.
15th
1862
16th
1863
Newton Littlejohn
Natl. Union
17th
1864
18th
1865
19th
1866
20th
1867
Rep.
21st
1868
22nd
1869
Samuel Pratt
Rep.
23rd
1870
24th
1871
Orrin Bacon
Rep.
25th
1872
Green County
26th
1873
Harvey T. Moore
Ref.
27th
1874
28th
1875
Joseph B. Treat
Rep.
29th
1876
30th
1877
1876–1881 1882–1887 1888–1891 Green and Lafayette counties
31st
1878
32nd
1879
John W. Blackstone Jr.
Rep.
33rd
1880
34th
1881
Archibald N. Randall
Rep.
35th
1882
36th
1883–1884
James Waddington
Rep.
37th
1885–1886
38th
1887–1888
Phineas Clawson
Rep.
39th
1889–1890
40th
1891–1892
Neal Brown
Dem.
41st
1893–1894
Marathon and Wood counties
42nd
1895–1896
Clarence A. Lamoreux
Rep.
43rd
1897–1898
Ashland , Barron , Bayfield , Iron , Sawyer , Washburn counties
44th
1899–1900
William O'Neil
Rep.
45th
1901–1902
46th
1903–1904
Ashland , Bayfield , Price , Sawyer , Taylor , Washburn counties
Albert W. Sanborn
Rep.
47th
1905–1906
48th
1907–1908
49th
1909–1910
50th
1911–1912
A. Pearce Tomkins
Rep.
51st
1913–1914
Ashland , Bayfield , Sawyer , Rusk , Price counties1910 population: 69,134
52nd
1915–1916
A. H. Wilkinson
Rep.
53rd
1917–1918
54th
1919–1920
Chester H. Werden
Rep.
55th
1921–1922
56th
1923–1924
Ashland , Iron , Price , Rusk , Sawyer , Vilas counties
James H. Carroll
Rep.
57th
1925–1926
58th
1927–1928
59th
1929–1930
60th
1931–1932
Bernard J. Gehrmann
Rep.
Elected to U.S. House in 1934
61st
1933–1934
Joseph E. McDermid
Prog.
Won 1935 special election.
62nd
1935–1936
63rd
1937–1938
64th
1939–1940
James H. Carroll
Rep.
65th
1941–1942
66th
1943–1944
Ernest A. Heden
Rep.
67th
1945–1946
68th
1947–1948
Clayton Hicks
Rep.
69th
1949–1950
70th
1951–1952
Paul J. Rogan
Rep.
Resigned
71st
1953–1954
Bernard J. Gehrmann
Rep.
Won 1954 special election
72nd
1955–1956
Iron , Lincoln , Oneida , Price , Taylor , Vilas counties
Clifford Krueger
Rep.
Resigned 1982.
73rd
1957–1958
74th
1959–1960
75th
1961–1962
76th
1963–1964
77th
1965–1966
Clark , Forest , Lincoln , Oneida , Taylor , Vilas counties
78th
1967–1968
79th
1969–1970
80th
1971–1972
81st
1973–1974
Florence , Forest , Lincoln , Oneida , Rusk , Taylor , Vilas &
Clark County
Langlade County
Marinette County
Oconto County
Price County
82nd
1975–1976
83rd
1977–1978
84th
1979–1980
85th
1981–1982
--Vacant--
86th
1983–1984
Florence , Forest , Langlade , Lincoln , Menominee , Oneida , Vilas &
Marathon County
Marinette County
Oconto County
Shawano County
Lloyd H. Kincaid
Dem.
Won 1983 special election.
87th
1985–1986
Florence , Forest , Langlade , Lincoln , Menominee , Oneida , Vilas &
Marathon County
Marinette County
Oconto County
Shawano County
88th
1987–1988
89th
1989–1990
--Vacant--
Roger Breske
Dem.
Won 1990 special election.
90th
1991–1992
91st
1993–1994
Florence , Forest , Langlade , Lincoln , Menominee , Oneida , Vilas &
Marathon County
Marinette County
Oconto County
Portage County
Shawano County
Waupaca County
92nd
1995–1996
93rd
1997–1998
94th
1999–2000
95th
2001–2002
96th
2003–2004
Florence , Forest , Langlade , Lincoln , Menominee , Oneida , Vilas &
Marathon County
Marinette County
Oconto County
Shawano County
97th
2005–2006
98th
2007–2008
Jim Holperin
Dem.
99th
2009–2010
100th
2011–2012
Tom Tiffany
Rep.
Elected to U.S. House in 2020.
101st
2013–2014
Florence , Forest , Langlade , Lincoln , Menominee , Oneida &
Marathon County
Marinette County
Oconto County
Shawano County
Vilas County
102nd
2015–2016
103rd
2017–2018
104th
2019–2020
--Vacant--
Mary Felzkowski
Rep.
105th
2021–2022
106th
2023–2024
Florence, Forest, Langlade, Lincoln, Menominee, Oneida & part Marathon County, northern Marinette County, northern Oconto County, part of Shawano County, & most of Vilas County
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