Population Change for Counties in Iowa - 2010 to 2022

of the 99 Counties in Iowa the fastest growing County is Dallas County with 50.72% growth. The County lowest growth is Fremont County with -11.24% 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-2.42%7,628
Adams County-8.07%4,027
Allamakee County-1.88%14,285
Appanoose County-4.42%12,858
Audubon County-7.27%6,077
Benton County-1.92%26,044
Black Hawk County0.04%130,843
Boone County1.55%26,324
Bremer County2.93%24,294
Buchanan County-1.88%20,988
Buena Vista County2.78%20,215
Butler County-3.59%14,899
Calhoun County2.66%9,936
Carroll County-0.27%20,751
Cass County-5.94%13,865
Cedar County0.03%18,446
Cerro Gordo County-2.32%44,083
Cherokee County-3.43%12,011
Chickasaw County-3.43%12,409
Clarke County4.98%9,286
Clay County-1.7%16,649
Clayton County-5.99%18,056
Clinton County-5.41%49,074
Crawford County-3.34%17,100
Dallas County50.72%66,997
Davis County4.08%8,718
Decatur County-9.6%8,382
Delaware County-1.55%17,721
Des Moines County-3.51%40,268
Dickinson County6.22%16,778
Dubuque County5.99%93,776
Emmet County-8.87%10,263
Fayette County-6.57%20,894
Floyd County-4.15%16,204
Franklin County-6.19%10,650
Fremont County-11.24%7,373
Greene County-6.05%9,304
Grundy County-1%12,431
Guthrie County-3.02%10,915
Hamilton County-4.05%15,614
Hancock County-4.81%11,320
Hardin County-3.74%17,479
Harrison County-2.32%14,838
Henry County1.67%20,242
Howard County-1.01%9,568
Humboldt County-2.22%9,818
Ida County-1.18%7,113
Iowa County1.88%16,320
Jackson County-1.83%19,807
Jasper County2.64%36,823
Jefferson County-7.01%16,791
Johnson County16.79%131,627
Jones County0.04%20,686
Keokuk County-4.55%10,480
Kossuth County-4.6%15,510
Lee County-6.43%35,741
Linn County9.03%211,954
Louisa County-4.83%11,448
Lucas County-2.97%8,913
Lyon County3.05%11,623
Madison County5.54%15,630
Mahaska County-0.85%22,432
Marion County0.32%33,388
Marshall County-1.34%40,568
Mills County-3.82%15,028
Mitchell County-1.96%10,761
Monona County-5.32%9,242
Monroe County-4.93%7,979
Montgomery County-3.82%10,710
Muscatine County1.15%42,729
Obrien County-1.5%14,302
Osceola County-4.18%6,413
Page County-4.53%15,902
Palo Alto County-4.51%9,402
Plymouth County2.85%24,911
Pocahontas County-3.17%7,307
Polk County14.34%431,811
Pottawattamie County0.55%92,793
Poweshiek County-1.33%18,888
Ringgold County-9.12%5,123
Sac County-5.18%10,307
Scott County5.72%165,432
Shelby County-3.46%12,158
Sioux County6.43%33,776
Story County10.05%89,734
Tama County-3.56%17,746
Taylor County-6.66%6,292
Union County-3.16%12,525
Van Buren County-4.85%7,565
Wapello County-0.53%35,449
Warren County13.37%46,239
Washington County3.97%21,765
Wayne County1.47%6,372
Webster County-2.67%37,895
Winnebago County-1.72%10,800
Winneshiek County-4.68%21,033
Woodbury County3.69%101,948
Worth County-2.04%7,581
Wright County-2.16%13,173

Related Maps and Data:

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