Iowa's 20th State Senate district | |||
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Senator |
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The 20th District of the Iowa Senate is located in central Iowa, and is currently composed of part of Polk County. [1]
Mike Pike is the senator currently representing the 20th District. [2]
The area of the 20th District contains two Iowa House of Representatives districts: [3]
The district is also located in Iowa's 3rd congressional district, which is represented by Zach Nunn. [4]
Map | Description | Years effective | Notes |
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Boone County Bancroft 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. [8] | |
Iowa County | 1856–1859 | ||
Clinton County | 1860–1863 | ||
Warren County | 1864–1877 | ||
Muscatine County | 1878–1887 | ||
Louisa County Muscatine County | 1888–1962 | ||
Linn County | 1963–1966 | ||
Polk County | 1967–1970 | ||
Black Hawk County (partial) | 1971–1972 | ||
Grundy County (partial) Hardin County (partial) | 1973–1982 | ||
Scott County (partial) | 1983–1992 | ||
Cedar County Clinton County (partial) | 1993–2002 | ||
![]() | Benton County Grundy County | 2003–2012 | |
![]() | Polk County (partial) | 2013–2022 | |
![]() | Polk County (partial)
| 2023–present |