Population Change for Counties in Iowa - 2020 to 2024

of the 99 Counties in Iowa the fastest growing County is Dallas County with 10.63% growth. The County lowest growth is Henry County with -4.64% growth.

Map List Related

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 ChangePopulation
Adair County-1.27%7,399
Adams County-4.36%3,553
Allamakee County0.76%14,168
Appanoose County-1.5%12,129
Audubon County-2.53%5,533
Benton County0.72%25,769
Black Hawk County0.03%131,179
Boone County-0.55%26,567
Bremer County1.26%25,304
Buchanan County0.78%20,725
Buena Vista County-0.62%20,698
Butler County-0.78%14,225
Calhoun County-1.39%9,790
Carroll County-1.24%20,512
Cass County0.04%13,131
Cedar County-1.19%18,269
Cerro Gordo County-1.55%42,470
Cherokee County-0.05%11,652
Chickasaw County-2.69%11,694
Clarke County-1.2%9,631
Clay County0.91%16,530
Clayton County-0.37%16,985
Clinton County-0.71%46,134
Crawford County-2.4%16,138
Dallas County10.63%111,593
Davis County0.58%9,165
Decatur County0.18%7,781
Delaware County0.59%17,583
Des Moines County-1.51%38,360
Dickinson County2.1%18,087
Dubuque County-0.29%98,988
Emmet County-1.2%9,277
Fayette County-1.42%19,239
Floyd County-2.36%15,266
Franklin County-1.18%9,895
Fremont County-2.21%6,458
Greene County-1.92%8,597
Grundy County0.59%12,412
Guthrie County1.26%10,763
Hamilton County-1.29%14,848
Hancock County-1.52%10,631
Hardin County-2.13%16,523
Harrison County0.4%14,638
Henry County-4.64%19,573
Howard County-1.24%9,357
Humboldt County-0.35%9,564
Ida County-2.56%6,835
Iowa County-1.67%16,386
Jackson County-0.67%19,353
Jasper County0.47%37,991
Jefferson County-0.26%15,626
Johnson County3.38%158,202
Jones County1.31%20,917
Keokuk County-0.86%9,947
Kossuth County-2.82%14,410
Lee County-3.21%32,509
Linn County-0.39%229,402
Louisa County-2.84%10,540
Lucas County1.6%8,775
Lyon County2.92%12,288
Madison County2.67%16,999
Mahaska County-1.02%21,967
Marion County0.89%33,718
Marshall County0.32%40,230
Mills County0.95%14,642
Mitchell County-0.15%10,544
Monona County-2.93%8,503
Monroe County-1.16%7,486
Montgomery County-1.75%10,148
Muscatine County-2.2%42,316
Obrien County-0.8%14,067
Osceola County-2.94%6,016
Page County-1.35%15,012
Palo Alto County-2.2%8,807
Plymouth County0.26%25,765
Pocahontas County-0.77%7,024
Polk County2.97%507,487
Pottawattamie County-0.31%93,353
Poweshiek County-0.86%18,497
Ringgold County-0.37%4,646
Sac County-1.66%9,663
Scott County-0.05%174,589
Shelby County0.63%11,823
Sioux County1.44%36,399
Story County2.92%101,501
Tama County-1.84%16,787
Taylor County0.42%5,917
Union County-1.89%11,913
Van Buren County0.88%7,266
Wapello County-0.05%35,417
Warren County5.25%55,298
Washington County-0.05%22,554
Wayne County0.76%6,542
Webster County-0.94%36,653
Winnebago County-1.07%10,563
Winneshiek County-1.73%19,728
Woodbury County0.53%106,544
Worth County-1.6%7,322
Wright County-1.6%12,744

Related Maps and Data:

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