Iowa's 19th Senate district

The 19th District of the Iowa Senate is located in south-central Iowa, and is currently composed of Jasper County, as well as part of Marion and Mahaska Counties.^[1]

Iowa's 19th State Senate district
Senator	Ken Rozenboom R

Current elected officials

Ken Rozenboom is the senator currently representing the 19th District.^[2]

The area of the 19th District contains two Iowa House of Representatives districts:^[3]

• The 37th District (represented by Barb Kniff McCulla)
• The 38th District (represented by Jon Dunwell)

The district is also located in Iowa's 1st congressional district, which is represented by Mariannette Miller-Meeks.^[4]

List of representatives

^[5]

Representative	Party		Dates	Residence	Notes
George D. Crosthwait		Whig	1852-1854	Iowa City, Iowa	Senator Crosthwait resigned his post to emigrate to California in 1854.
Samuel Workman		Democrat	1854-1855	Johnson County, Iowa
George W. Wilkinson		Know Nothing Party	1856-1857	Muscatine County, Iowa
Andrew Oliphant Patterson		Democrat	1858-1859	Muscatine, Iowa	Senator Patterson resigned his post in 1859 when he emigrated to Colorado.
John W. Thompson		Republican	1860-1861	Davenport, Iowa
Benjamin F. Gue		Republican	1862-1863	Scott County, Iowa
Joseph B. Leake		Republican	1860-1862	Davenport, Iowa
Thomas McMillan		Republican	1863-1869	Marion County, Iowa
John M. Cathcart		Republican	1870-1871	Marion County, Iowa
John L. McCormack		Democrat	1872-1877	Knoxville, Iowa
George Franklin Wright		Republican	1878-1883	Council Bluffs, Iowa
George Carson		Republican	1884-1887	Council Bluffs, Iowa
William Groneweg		Democrat	1888-1895	Council Bluffs, Iowa
Nathan Marsh Pusey		Republican	1896-1899	Council Bluffs, Iowa
Arthur Sargent Hazelton		Republican	1900-1903	Council Bluffs, Iowa
Charles George Saunders		Republican	1904-1912	Council Bluffs, Iowa
Mack C. Goodwin		Democrat	1913-1914	Council Bluffs, Iowa
Clement F. Kimball		Republican	1917-1920	Council Bluffs, Iowa
William Samuel Baird		Republican	1921-1932	Council Bluffs, Iowa
Morris W. Moore		Democrat	1933-1940	Council Bluffs, Iowa
De Vere Watson		Republican	1941-1956	Council Bluffs, Iowa
Jim O. Henry		Republican	1957-1960	Council Bluffs, Iowa
Richard C. Turner		Republican	1961-1964	Council Bluffs, Iowa
Howard Tabor		Democrat	1965-1966	Baldwin, Iowa
Eugene Marshall Hill		Democrat	1967-1970	Newton, Iowa
Francis L. Messerly		Republican	1971-1973	Cedar Falls, Iowa
Vernon H. Kyhl		Republican	1973	Cedar Falls, Iowa	Senator Kyhl died in office in 1973.
Clifford Earl Burroughs		Republican	1974-1978	Butler County, Iowa
John W. Jensen		Republican	1979-1982	Bremer County, Iowa
Norman J. Goodwin		Republican	1983-1990	Dewitt, Iowa
Sheldon L. Rittmer		Republican	1991-2002	Clinton, Iowa
Charles W. Larson		Republican	2003-2006	Cedar Rapids, Iowa
Robert M. Hogg		Democrat	2007-2012	Cedar Rapids, Iowa
Jack Whitver		Republican	2013-2022	Ankeny, Iowa
Ken Rozenboom		Republican	2023-Present	Oskaloosa, Iowa

Historical district boundaries

Source:^[6]

Map	Description	Years effective	Notes
	Iowa County Johnson County Poweshiek County	1852-1855	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]
	Muscatine County	1856-1859
	Scott County	1860-1863
	Marion County	1864-1877
	Pottawattamie County	1878-1962
	Jackson County Jones County	1963-1966
	Jasper County	1967-1970
	Black Hawk 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]
	Black Hawk County (partial) Bremer County (partial) Butler County Floyd County (partial) Franklin County (partial) Grundy County (partial) Marshall County (partial) Tama County (partial)	1973-1982
	Cedar County (partial) Clinton County	1983-1992
	Clinton County (partial) Scott County (partial)	1993-2002
	Linn County (partial) Cedar Rapids (partial) Portions of the city North and East of the Cedar River excluding downtown.	2003-2012
	Polk County (partial) Crocker Township Delaware Township Douglas Township Lincoln Township Saylor Township Alleman Ankeny Saylorville	2013-2022
	Jasper County Mahaska County (partial) Black Oak Township East Des Moines Township Garfield Township Jefferson Township Richland Township Scott Township West Des Moines Township Beacon Marion County (partial) Excluding Franklin Township Knoxville Township Union Township Knoxville	2023-Present

See also

• Iowa General Assembly
• Iowa Senate