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.
Current elected officials Amy Sinclair is the senator currently representing the 12th District.
The area of the 12th District contains two Iowa House of Representatives districts: The 23rd District (represented by Ray Sorensen) The 24th District (represented by Sam Wengryn)
The district is also located in Iowa's 3rd congressional district, which is represented by U.S. Representative Zach Nunn.
List of representatives
Representative Party Dates Residence Notes Whig1846-1849Clinton County Democrat1850-1851Clinton County Whig1852-1853Washington, Iowa Whig1854-1855Keokuk, Iowa Democrat1856-1857Council Bluffs, Iowa Democrat1858-1859Council Bluffs, Iowa Republican1860-1861Monroe County Republican1862-1863Chariton, Iowa Republican1864-1865Wapello County Republican1866-1867Ottumwa, Iowa Republican1868-1871Jefferson County Republican1872-1877Fairfield, Iowa Democrat1878-1881Keokuk County Republican1882-1885Sigourney, Iowa Republican1886-1887Ottumwa, Iowa Republican1888-1889What Cheer, Iowa Democrat1890-1893Grinnell, Iowa Republican1894-1897What Cheer, Iowa Republican1898-1901Montezuma, Iowa Republican1902-1906Sigourney, Iowa Republican1907-1910Grinnell, Iowa Republican1911-1914Grinnell, Iowa Republican1915-1918Sigourney, Iowa Republican1919-1926Grinnell, Iowa Republican1927-1934Sigourney, Iowa Democrat1935-1938Poweshiek County Republican1939-1942Brooklyn, Iowa Republican1943-1950Sigourney, Iowa Republican1951-1958Poweshiek County Democrat1959-1962Grinnell, Iowa1963-1964No 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. Democrat1965-1966Pleasantville, Iowa Republican1967-1970Winterset, IowaResigned from office due to moving out of his district. Republican1970Madison County Republican1971-1972Woodbury County Republican1973-1976Maquoketa, Iowa Republican1977-1982Cedar County Democrat1983-1984Waterloo, Iowa Republican1985-1990Cedar Falls, Iowa Republican1991-1994Waterloo, IowaSenator Slife died in office in 1994. Republican1994-2002Cedar Falls, Iowa Republican2003-2004Buchanan County Democrat2005-2012Arlington, Iowa Republican2013-2014Red Oak, IowaSenator Ernst was elected to the US Senate in 2014. Republican2015-2022Imogene, Iowa Republican2023-presentWayne County
Historical district boundaries
Source:
Map Description Years effective NotesClinton County Scott County 1846-1851From 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.Louisa County Washington County1852-1855Audubon 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 County1856-1859Lyon County would have been known as Buncombe County during this period.Lucas County Monroe County1860-1863Wapello County1864-1867Jefferson County1868-1877Keokuk County1878-1883Iowa County Keokuk County1884-1885Wapello County1886-1887Keokuk County Poweshiek County1888-1962Marion County Warren County1963-1966Adair County Cass County Madison County1967-1970Woodbury County (partial)1971-1972In 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.Cedar County Jackson County (partial) Johnson County (partial) Jones County (partial) Scott County (partial)1973-1982Black Hawk County (partial)1983-1992Black Hawk County (partial)1993-2002 Buchanan County Black Hawk County (partial) Barclay Township Big Creek Township Cedar Township Fox Township Poyner Township Spring Township Gilbertville La Porte City Clayton County Delaware County (partial) Coffins Grove Township Delaware Township Elk Township Honey Creek Township Oneida Township Richland Township Delaware Dundee Earlville Greeley Masonville Fayette County (partial) Fairfield Township Illyria Township Pleasant Valley Township Putnam Township Scott Township Smithfield Township Westfield Township Arlington Elgin Fairbank Fayette Wadena2003-2012Iowa Senate District 12Fremont County Mills County Montgomery County Page CountyRinggold County Taylor County2013-2022 Adair County Appanoose County (partial) Independence Township Johns Township Lincoln Township Plano Clarke County Dallas County (partial) Adams Township Colfax Township Union Township De Soto Earlham Redfield Decatur County Lucas County Union County (partial) Dodge Township Lincoln Township Jones Township New Hope Township Pleasant Township Lorimor Thayer2023-present
See also Iowa General Assembly Iowa Senate
References