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.

Current elected officials

Ken Rozenboom is the senator currently representing the 19th District.
The area of the 19th District contains two Iowa House of Representatives districts:
The district is also located in Iowa's 1st congressional district, which is represented by Mariannette Miller-Meeks.

Historical district boundaries

Source:
MapDescriptionYears effectiveNotes
Iowa County
Johnson County
Poweshiek County		1852-1855From 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.
Muscatine County1856-1859
Scott County1860-1863
Marion County1864-1877
Pottawattamie County1878-1962
Jackson County
Jones County		1963-1966
Jasper County1967-1970
Black Hawk County 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.
Black Hawk County
Bremer County
Butler County
Floyd County
Franklin County
Grundy County
Marshall County
Tama County 		1973-1982
Cedar County
Clinton County		1983-1992
Clinton County
Scott County 		1993-2002
Linn County
2003-2012
Polk County
  • Crocker Township
  • Delaware Township
  • Douglas Township
  • Lincoln Township
  • Saylor Township
  • Alleman
  • Ankeny
  • Saylorville
    		• 2013-2022
    Jasper CountyMahaska County
    Marion County
    		2023-Present-