Iowa Map

Iowa Map



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List of Counties in Iowa

CountyFIPS CodeCounty SeatEstablished inPopulationArea (sq mi)Area (km2)
Adair County1GreenfieldJan 15, 18517,6825691,474
Adams County3CorningJan 15, 18514,0294241,098
Allamakee County5WaukonFeb 20, 184714,3306401,658
Appanoose County7CentervilleFeb 17, 184312,8844961,285
Audubon County9AudubonJan 15, 18516,1194431,147
Benton County11VintonDec 21, 183726,0767161,854
Black Hawk County13WaterlooFeb 17, 1843131,0905671,469
Boone County15BooneJan 13, 184626,3065721,481
Bremer County17WaverlyJan 15, 185124,2764281,109
Buchanan County19IndependenceDec 21, 183720,9585711,479
Buena Vista County21Storm LakeJan 15, 185120,2605751,489
Butler County23AllisonJan 15, 185114,8675801,502
Calhoun County25Rockwell CityJan 15, 18519,6705701,476
Carroll County27CarrollJan 15, 185120,8165691,474
Cass County29AtlanticJan 15, 185113,9565641,461
Cedar County31TiptonDec 21, 183718,4995801,502
Cerro Gordo County33Mason CityJan 15, 185144,1515681,471
Cherokee County35CherokeeJan 15, 185112,0725771,494
Chickasaw County37New HamptonJan 15, 185112,4395051,308
Clarke County39OsceolaJan 13, 18469,2864311,116
Clay County41SpencerJan 15, 185116,6675691,474
Clayton County43ElkaderDec 21, 183718,1297792,018
Clinton County45ClintonDec 21, 183749,1166951,800
Crawford County47DenisonJan 15, 185117,0967141,849
Dallas County49AdelJan 13, 184666,1355861,518
Davis County51BloomfieldFeb 17, 18438,7535031,303
Decatur County53LeonJan 13, 18468,4575321,378
Delaware County55ManchesterDec 21, 183717,7645781,497
Des Moines County57BurlingtonSep 6, 183440,3254161,077
Dickinson County59Spirit LakeJan 15, 185116,667381987
Dubuque County61DubuqueSep 6, 183493,6536081,575
Emmet County63EsthervilleJan 15, 185110,3023961,026
Fayette County65West UnionDec 21, 183720,8807311,893
Floyd County67Charles CityJan 15, 185116,3035011,298
Franklin County69HamptonJan 15, 185110,6805821,507
Fremont County71SidneyFeb 24, 18477,4415111,323
Greene County73JeffersonJan 15, 18519,3365681,471
Grundy County75Grundy CenterJan 15, 185112,4535031,303
Guthrie County77Guthrie CenterJul 8, 185110,9545911,531
Hamilton County79Webster CityDec 22, 185615,6735771,494
Hancock County81GarnerJan 15, 185111,3415711,479
Hardin County83EldoraJan 15, 185117,5345691,474
Harrison County85LoganJan 15, 185114,9286971,805
Henry County87Mount PleasantDec 7, 183620,1454341,124
Howard County89CrescoJan 15, 18519,5664731,225
Humboldt County91Dakota CityFeb 26, 18579,8154341,124
Ida County93Ida GroveJan 15, 18517,0894321,119
Iowa County95MarengoFeb 17, 184316,3555861,518
Jackson County97MaquoketaDec 21, 183719,8486361,647
Jasper County99NewtonJan 13, 184636,8427301,891
Jefferson County101FairfieldJan 21, 183916,8434351,127
Johnson County103Iowa CityDec 21, 1837130,8826141,590
Jones County105AnamosaDec 21, 183720,6385751,489
Keokuk County107SigourneyDec 21, 183710,5115791,500
Kossuth County109AlgonaJan 15, 185115,5439732,520
Lee County111Fort Madison and KeokukDec 7, 183635,8625171,339
Linn County113Cedar RapidsDec 21, 1837211,2267181,860
Louisa County115WapelloDec 7, 183611,3874021,041
Lucas County117CharitonJan 13, 18468,8984311,116
Lyon County119Rock RapidsJan 15, 185111,5815881,523
Madison County121WintersetJan 13, 184615,6795611,453
Mahaska County123OskaloosaFeb 17, 184322,3815711,479
Marion County125KnoxvilleJun 10, 184533,3095541,435
Marshall County127MarshalltownJan 13, 184640,6485721,481
Mills County129GlenwoodJan 15, 185115,0594371,132
Mitchell County131OsageJan 15, 185110,7764691,215
Monona County133OnawaJan 15, 18519,2436931,795
Monroe County135AlbiaFeb 17, 18437,9704331,121
Montgomery County137Red OakJan 15, 185110,7404241,098
Muscatine County139MuscatineDec 7, 183642,7454391,137
O'Brien County141PrimgharJan 15, 185114,3985731,484
Osceola County143SibleyJan 15, 18516,4623991,033
Page County145ClarindaFeb 24, 184715,9325351,386
Palo Alto County147EmmetsburgJan 15, 18519,4215641,461
Plymouth County149Le MarsJan 15, 185124,9868642,238
Pocahontas County151PocahontasJan 15, 18517,3105781,497
Polk County153Des MoinesJan 13, 1846430,6405701,476
Pottawattamie County155Council BluffsFeb 24, 184793,1589542,471
Poweshiek County157MontezumaFeb 17, 184318,9145851,515
Ringgold County159Mount AyrFeb 24, 18475,1315381,393
Sac County161Sac CityJan 15, 185110,3505761,492
Scott County163DavenportDec 21, 1837165,2244581,186
Shelby County165HarlanJan 15, 185112,1675911,531
Sioux County167Orange CityJan 15, 185133,7047681,989
Story County169NevadaJan 13, 184689,5425731,484
Tama County171ToledoFeb 17, 184317,7677211,867
Taylor County173BedfordFeb 24, 18476,3175341,383
Union County175CrestonJan 15, 185112,5344241,098
Van Buren County177KeosauquaDec 7, 18367,5704851,256
Wapello County179OttumwaFeb 17, 184335,6254321,119
Warren County181IndianolaJan 13, 184646,2255721,481
Washington County183WashingtonJan 25, 183921,7045691,474
Wayne County185CorydonJan 13, 18466,4035261,362
Webster County187Fort DodgeJan 12, 185338,0137151,852
Winnebago County189Forest CityJan 15, 185110,8664001,036
Winneshiek County191DecorahFeb 20, 184721,0566901,787
Woodbury County193Sioux CityJan 12, 1853102,1728732,261
Worth County195NorthwoodJan 15, 18517,5984001,036
Wright County197ClarionJan 15, 185113,2295811,505