Map of Population Change for Counties in Iowa - 2010 to 2020

Iowa Population Change Map

< -15%
-15% to -5%
-5% to 0%
0% to 5%
5% to 15%
> 15%

List of Counties in Iowa With Population Percentage Change

Map KeyNamePopulation Change
Adair County-2.4%
Adams County-8.1%
Allamakee County-1.9%
Appanoose County-4.4%
Audubon County-7.3%
Benton County-1.9%
Black Hawk County0%
Boone County1.6%
Bremer County2.9%
Buchanan County-1.9%
Buena Vista County2.8%
Butler County-3.6%
Calhoun County2.7%
Carroll County-0.3%
Cass County-5.9%
Cedar County0%
Cerro Gordo County-2.3%
Cherokee County-3.4%
Chickasaw County-3.4%
Clarke County5%
Clay County-1.7%
Clayton County-6%
Clinton County-5.4%
Crawford County-3.3%
Dallas County50.7%
Davis County4.1%
Decatur County-9.6%
Delaware County-1.6%
Des Moines County-3.5%
Dickinson County6.2%
Dubuque County6%
Emmet County-8.9%
Fayette County-6.6%
Floyd County-4.1%
Franklin County-99.8%
Fremont County-11.2%
Greene County-6.1%
Grundy County-1%
Guthrie County-3%
Hamilton County-4%
Hancock County-4.8%
Hardin County-3.7%
Harrison County-2.3%
Henry County1.7%
Howard County-1%
Humboldt County-2.2%
Ida County-99.9%
Iowa County1.9%
Jackson County-1.8%
Jasper County2.6%
Jefferson County-7%
Johnson County16.8%
Jones County0%
Keokuk County-99.7%
Kossuth County-4.6%
Lee County-6.4%
Linn County9%
Louisa County-4.8%
Lucas County-3%
Lyon County3%
Madison County5.5%
Mahaska County-0.9%
Marion County0.3%
Marshall County-1.3%
Mills County-3.8%
Mitchell County-2%
Monona County-5.3%
Monroe County-4.9%
Montgomery County-3.8%
Muscatine County1.1%
Obrien County-4.69%
Osceola County-4.2%
Page County-4.5%
Palo Alto County-4.5%
Plymouth County2.8%
Pocahontas County-3.2%
Polk County14.3%
Pottawattamie County0.5%
Poweshiek County-1.3%
Ringgold County-9.1%
Sac County-5.2%
Scott County5.7%
Shelby County-3.5%
Sioux County6.4%
Story County10%
Tama County-3.6%
Taylor County-6.7%
Union County-3.2%
Van Buren County-4.8%
Wapello County-0.5%
Warren County13.4%
Washington County4%
Wayne County1.5%
Webster County-2.7%
Winnebago County-1.7%
Winneshiek County-99.7%
Woodbury County3.7%
Worth County-2%
Wright County-2.2%