| Iowa's 8th State Senate district | |||
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| Senator |
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The 8th District of the Iowa Senate is located in Western Iowa, and is currently composed of Fremont, Harrison, and Mills counties, and the majority of Pottawattamie County. [1]
| Iowa's 8th State Senate district | |||
|---|---|---|---|
| |||
| | |||
| Senator |
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The 8th District of the Iowa Senate is located in Western Iowa, and is currently composed of Fremont, Harrison, and Mills counties, and the majority of Pottawattamie County. [1]
Mark Costello is the senator currently representing the 8th District.
The area of the 8th District contains two Iowa House of Representatives districts: [2]
The district is also located in Iowa's 4th congressional district, which is represented by U.S. Representative Randy Feenstra.
Source: [4]
| Map | Description | Years effective | Notes |
|---|---|---|---|
| Jefferson 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. [5] | |
| Davis County | 1852-1855 | ||
| Wapello County | 1856-1859 | ||
| Des Moines County | 1860-1863 | ||
| Cass County | 1864-1867 | ||
| Adams County | 1868-1869 | ||
| Adams County | 1870-1873 | ||
| Fremont County | 1874-1877 | ||
| Adams County | 1878-1883 | ||
| Mills County | 1884-1962 | ||
| Henry County | 1963-1966 | ||
| Henry County | 1967-1970 | ||
| Buena Vista County Clay County (partial) | 1971-1972 | ||
| Bremer County (partial) Chickasaw County (partial) | 1973-1982 | ||
| Hancock County (partial) Humboldt County | 1983-1992 | ||
| Hancock County Humboldt County | 1993-2002 | ||
 | Allamakee County Chickasaw County
| 2003-2012 | |
 | Pottawattamie County (partial)
| 2013-2022 | [6] |
| | Fremont County Harrison County
| 2023–Present |
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