Iowa's 10th State Senate district
Senator	Dan Dawson R

The 10th District of the Iowa Senate is located in Western Iowa, and is currently composed of the cities of Council Bluffs and Carter Lake in Pottawattamie County.^[1]

Dan Dawson is the senator currently representing the 10th District.

The area of the 10th District contains two Iowa House of Representatives

• The 19th District (represented by Brent Siegrist)
• The 20th District (represented by Josh Turek)

The district is also located in Iowa's 4th congressional district, which is represented by U.S. Representative Randy Feenstra.

Source:^[2]

Map	Description	Years Effective	Notes
	Keokuk County Mahaska County	1846-1849	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.[3]
	Keokuk County Mahaska County Poweshiek County	1850-1851
	Pottawattamie County	1852-1855
	Appanoose County Decatur County Wayne County	1856-1859
	Jefferson County	1860-1863
	Henry County	1864-1867
	Des Moines County	1868-1877
	Henry County	1878-1883
	Henry County Jefferson County	1884-1887
	Henry County Washington County	1888-1962
	Louisa County Washington County	1963-1966
	Keokuk County Mahaska County	1967-1970
	Buchanan County Delaware County (partial) Linn 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.[4]
	Dubuque County (partial) Dubuque	1973-1982
	Cerro Gordo County (partial) Winnebago County (partial) Worth County	1983-1992
	Cerro Gordo County Mitchell County (partial) Worth County	1993-2002
	Black Hawk County (partial) Black Hawk Township Cedar Falls Township Lincoln Township Union Township Cedar Falls Hudson Western half of Waterloo	2003-2012	[5]
	Adair County Cass County (partial) Benton Township Franklin Township Grant Township Lincoln Township Anita Wiota Dallas County (partial) Excluding Waukee West Des Moines Guthrie County Polk County (partial) Madison Township Union Township Granger Polk City Sheldahl	2013-2022
	Pottawattamie County (partial) Carter Lake Council Bluffs Excluding neighborhoods to the East of Interstate 80	2023-Present

• Iowa General Assembly
• Iowa Senate