Iowa

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Iowa counties

Number of counties: 99
Population: 3,179,090
Table of counties in Iowa with the population for each county, sorted in alphabetical order.
CountyPopulation
Adair County7,439
Adams County3,697
Allamakee County14,068
Appanoose County12,310
Audubon County5,657
Benton County25,654
Black Hawk County131,396
Boone County26,721
Bremer County24,863
Buchanan County20,598
Buena Vista County20,723
Butler County14,421
Calhoun County9,962
Carroll County20,756
Cass County13,158
Cedar County18,494
Cerro Gordo County43,185
Cherokee County11,606
Chickasaw County12,021
Clarke County9,736
Clay County16,410
Clayton County17,173
Clinton County46,589
Crawford County16,555
Dallas County96,604
Davis County9,066
Decatur County7,718
Delaware County17,508
Des Moines County39,069
Dickinson County17,536
Dubuque County98,687
Emmet County9,433
Fayette County19,582
Floyd County15,672
Franklin County10,056
Fremont County6,702
Greene County8,831
Grundy County12,336
Guthrie County10,599
Hamilton County15,073
Hancock County10,837
Hardin County16,997
Harrison County14,589
Henry County20,488
Howard County9,456
Humboldt County9,622
Ida County6,979
Iowa County16,596
Jackson County19,499
Jasper County37,686
Jefferson County15,846
Johnson County151,833
Jones County20,680
Keokuk County10,050
Kossuth County14,823
Lee County33,724
Linn County228,567
Louisa County10,891
Lucas County8,650
Lyon County11,953
Madison County16,414
Mahaska County22,132
Marion County33,381
Marshall County40,137
Mills County14,658
Mitchell County10,526
Monona County8,732
Monroe County7,589
Montgomery County10,327
Muscatine County43,145
O'Brien County14,139
Osceola County6,168
Page County15,250
Palo Alto County8,996
Plymouth County25,543
Pocahontas County7,091
Polk County488,871
Pottawattamie County93,571
Poweshiek County18,628
Ringgold County4,739
Sac County9,829
Scott County174,170
Shelby County11,750
Sioux County35,647
Story County98,106
Tama County17,079
Taylor County5,932
Union County12,193
Van Buren County7,196
Wapello County35,343
Warren County51,862
Washington County22,525
Wayne County6,504
Webster County37,114
Winnebago County10,743
Winneshiek County20,100
Woodbury County105,102
Worth County7,450
Wright County12,978

How many counties are in Iowa?

There are 99 cities in Iowa.