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Iowa's 12th Senate district

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Iowa's 12th
State Senate district

Map of the district
Senator
  Amy Sinclair
R

The 12th District of the Iowa Senate is located in southern Iowa, and is currently composed of Adair, Clarke, Decatur, Lucas, Madison, and Wayne counties, as well as portions of Appanoose, Dallas, and Union counties.[1]

Current elected officials

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Amy Sinclair is the senator currently representing the 12th District.[2]

The area of the 12th District contains two Iowa House of Representatives districts:

The district is also located in Iowa's 3rd congressional district, which is represented by U.S. Representative Zach Nunn.[3]


List of representatives

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[4]

Representative Party Dates Residence Notes
Loring Wheeler Whig 1846-1849 Clinton County
William Leffingwell Democrat 1850-1851 Clinton County
Norman Everson Whig 1852-1853 Washington, Iowa
Hiram Cleaver Whig 1854-1855 Keokuk, Iowa
James Test Democrat 1856-1857 Council Bluffs, Iowa
William H. M. Pusey Democrat 1858-1859 Council Bluffs, Iowa
Daniel Anderson Republican 1860-1861 Monroe County
Warren Dungan Republican 1862-1863 Chariton, Iowa
Jacob Dixon Republican 1864-1865 Wapello County
Edward Stiles Republican 1866-1867 Ottumwa, Iowa
Abial Pierce Republican 1868-1871 Jefferson County
Moses McCoid Republican 1872-1877 Fairfield, Iowa
Sanford Harned Democrat 1878-1881 Keokuk County
Cassius Brown Republican 1882-1885 Sigourney, Iowa
Joseph Hutchison Republican 1886-1887 Ottumwa, Iowa
James Dooley Republican 1888-1889 What Cheer, Iowa
Joel Stewart Democrat 1890-1893 Grinnell, Iowa
John Riggen Republican 1894-1897 What Cheer, Iowa
William Robinson Lewis Republican 1898-1901 Montezuma, Iowa
John Tinley Brooks Republican 1902-1906 Sigourney, Iowa
Elbert Clark Republican 1907-1910 Grinnell, Iowa
Henry Spaulding Republican 1911-1914 Grinnell, Iowa
Charles Laffer Republican 1915-1918 Sigourney, Iowa
Theodore Cessna Republican 1919-1926 Grinnell, Iowa
Frank Beatty Republican 1927-1934 Sigourney, Iowa
Eugene Mason Democrat 1935-1938 Poweshiek County
John Edwin Talbott Republican 1939-1942 Brooklyn, Iowa
Luke Vittetoe Republican 1943-1950 Sigourney, Iowa
Wilbur Molison Republican 1951-1958 Poweshiek County
C. Edwin Gilmour Democrat 1959-1962 Grinnell, Iowa
1963-1964 No senator from district 12 is listed on the Iowa Official Register for General Assembly 60. This is the combined result of redistricting and election cycles and affected multiple districts.[5]
Stanley Heaberlin Democrat 1965-1966 Pleasantville, Iowa
Joseph Flatt Republican 1967-1970 Winterset, Iowa Resigned from office due to moving out of his district.
Glen Bortell Republican 1970 Madison County
Alden Erskine Republican 1971-1972 Woodbury County
Clifton Lamborn Republican 1973-1976 Maquoketa, Iowa
Merlin Hulse Republican 1977-1982 Cedar County
Ted J. Anderson Democrat 1983-1984 Waterloo, Iowa
Joy Corning Republican 1985-1990 Cedar Falls, Iowa
Harry Slife Republican 1991-1994 Waterloo, Iowa Senator Slife died in office in 1994.
Donald Redfern Republican 1994-2002 Cedar Falls, Iowa
Kathleen Rehberg Republican 2003-2004 Buchanan County
Brian Schoenjahn Democrat 2005-2012 Arlington, Iowa
Joni Ernst Republican 2013-2014 Red Oak, Iowa Senator Ernst was elected to the US Senate in 2014.
Mark Costello Republican 2015-2022 Imogene, Iowa
Amy Sinclair Republican 2023-Present Wayne County

Historical District Boundaries

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Source:[6]

Map Description Years Effective Notes
Clinton County

Scott County

1846-1851 From 1846 to 1857, District numbering was not utilized by the Iowa State Legislature. This convention was added with the passing of the 1857 Iowa Constitution. Numbering of districts pre-1857 is done as a matter of historic convenience.[7]
Louisa County

Washington County

1852-1855
Audubon County

Buena Vista County
Carroll County
Calhoun County
Cherokee County
Clay County
Crawford County
Dickinson County
Emmet County
Harrison County
Ida County
Lyon County
Monona County
O'Brien County
Osceola County
Palo Alto County
Plymouth County
Pocahontas County
Pottawattamie County
Sac County
Shelby County
Sioux County
Woodbury County

1856-1859 Lyon County's would have been known as Buncombe County during this period.
Lucas County

Monroe County

1860-1863
Wapello County 1864-1867
Jefferson County 1868-1877
Keokuk County 1878-1883
Iowa County

Keokuk County

1884-1885
Wapello County 1886-1887
Keokuk County

Poweshiek County

1888-1962
Marion County

Warren County

1963-1966
Adair County

Cass County
Madison County

1967-1970
Woodbury County (partial) 1971-1972 In 1970, the Iowa Legislature passed an amendment to the Iowa Constitution setting forth the rules for legislative redistricting in order to abide by the rules established by the Reynolds v. Sims Supreme Court Case. The first reapportionment map created by the Republican controlled legislature was deemed Unconstitutional, but was still used for the 1970 Election.[8]
Cedar County

Jackson County (partial)
Johnson County (partial)
Jones County (partial)
Scott County (partial)

1973-1982
Black Hawk County (partial) 1983-1992
Black Hawk County (partial) 1993-2002
Buchanan County

Black Hawk County (partial)

Clayton County
Delaware County (partial)

Fayette County (partial)

2003-2012 [9]
Fremont County

Mills County
Montgomery County
Page County
Ringgold County
Taylor County

2013-2022
Adair County

Appanoose County (partial)

Clarke County
Dallas County (partial)

Decatur County
Lucas County
Union County (partial)

2023-Present

See also

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References

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  1. ^ "District 12 Map" (PDF).
  2. ^ Agency, Iowa Legislative Services. "Iowa Legislature - Legislator List". Retrieved July 15, 2016.
  3. ^ "Iowa Congressional Districts" (PDF). Iowa Legislative Services Agency. Retrieved July 15, 2016.
  4. ^ "Table of Iowa Senate District 5 Historic Senators".
  5. ^ "Iowa Legislature GA list".
  6. ^ "Iowa State Senate District 2 Historic Legislators".
  7. ^ "1846 Iowa Constitution" (PDF).
  8. ^ "Reapportionment in Iowa".
  9. ^ Iowa Senate District 12