Map of Population Change for Counties in Iowa - 2000 to 2019

Iowa Population Change Map

< -15%

-15% to -5%

-5% to 0%

0% to 5%

5% to 15%

> 15%

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List of Counties in Iowa With Population Percentage Change
Map Key Name Population Change
Adair County -7.41%

Adams County -11.85%

Allamakee County -4.7%

Appanoose County -3.71%

Audubon County -11.34%

Benton County -1.68%

Black Hawk County 0.11%

Boone County -0.27%

Bremer County 3.14%

Buchanan County 1.02%

Buena Vista County -3.26%

Butler County -2.96%

Calhoun County -0.02%

Carroll County -3.23%

Cass County -8.73%

Cedar County 0.69%

Cerro Gordo County -4.01%

Cherokee County -7.45%

Chickasaw County -4.24%

Clarke County 1.16%

Clay County -4.06%

Clayton County -3.31%

Clinton County -5.79%

Crawford County -1.64%

Dallas County 29.23%

Davis County 2.74%

Decatur County -7.46%

Delaware County -4.43%

Des Moines County -3.49%

Dickinson County 3.42%

Dubuque County 3.76%

Emmet County -11.88%

Fayette County -6.26%

Floyd County -4.23%

Franklin County -6.06%

Fremont County -6.91%

Greene County -5.04%

Grundy County -1.81%

Guthrie County -2.48%

Hamilton County -6.09%

Hancock County -6.69%

Hardin County -4.08%

Harrison County -6.26%

Henry County -0.96%

Howard County -4.46%

Humboldt County -2.69%

Ida County -3.34%

Iowa County -1.06%

Jackson County -2.1%

Jasper County 0.92%

Jefferson County 7.94%

Johnson County 13.4%

Jones County 0.21%

Keokuk County -2.59%

Kossuth County -4.93%

Lee County -6.55%

Linn County 6.83%

Louisa County -3.19%

Lucas County -3.47%

Lyon County 1.48%

Madison County 4.03%

Mahaska County -1.29%

Marion County -0.17%

Marshall County -3.25%

Mills County 0.33%

Mitchell County -1.79%

Monona County -7.29%

Monroe County -3.41%

Montgomery County -8.3%

Muscatine County -0.19%

Obrien County -4.69%

Osceola County -8.46%

Page County -5.46%

Palo Alto County -6.02%

Plymouth County 0.76%

Pocahontas County -10.44%

Polk County 12.14%

Pottawattamie County 0.05%

Poweshiek County -2.22%

Ringgold County -4.84%

Sac County -6.47%

Scott County 4.46%

Shelby County -6.22%

Sioux County 3.3%

Story County 7.8%

Tama County -5.42%

Taylor County -3.2%

Union County -2.39%

Van Buren County -7.47%

Wapello County -1.88%

Warren County 10.18%

Washington County 1.19%

Wayne County 0.59%

Webster County -5.87%

Winnebago County -4.94%

Winneshiek County -5.33%

Woodbury County 0.91%

Worth County -2.94%

Wright County -5.31%