General info

Part of:
United States of America
Entity:
Iowa
Capital:
Des Moines
Population:
2,951,775 (2005-07-01)
Area:
145,743 sq.km.
ISO code:
us-ia
Region:
Northern America

United States of America  : Iowa

Administrative units

countiescapitalarea (sq.km.)population
2000-04-01
census
population
2005-07-01
estimate
population
2008-07-01
estimate
source: Bureau of the Census, USA.
note: population figures are from the census of 2000 and the estimates are derived from the this census.
Adair CountyGreenfield1,477.108,2437,7217,506
Adams CountyCorning1,101.814,4824,1614,040
Allamakee CountyWaukon1,706.0514,67514,47414,538
Appanoose CountyCenterville1,337.3413,72113,32712,850
Audubon CountyAudubon1,148.876,8306,2486,033
Benton CountyVinton1,860.7825,30826,64726,532
Black Hawk CountyWaterloo1,481.24128,012126,549128,347
Boone CountyBoone1,485.3826,22426,33426,349
Bremer CountyWaverly1,138.5623,32523,42023,690
Buchanan CountyIndependence1,484.9721,09320,75721,032
Buena Vista CountyStorm Lake1,502.3720,41119,72019,702
Butler CountyAllison1,506.2315,30514,71814,644
Calhoun CountyRockwell City1,482.2211,11510,2529,887
Carroll CountyCarroll1,476.9121,42120,91820,926
Cass CountyAtlantic1,463.3714,68413,91613,840
Cedar CountyTipton1,507.2718,18717,94418,079
Cerro Gordo CountyMason City1,489.5546,44744,34143,786
Cherokee CountyCherokee1,495.3013,03512,03011,552
Chickasaw CountyNew Hampton1,309.1913,09512,28012,121
Clarke CountyOsceola1,118.159,1339,0849,032
Clay CountySpencer1,482.7917,37216,77716,691
Clayton CountyElkader2,053.3718,67817,87617,566
Clinton CountyClinton1,839.3850,14949,26848,942
Crawford CountyDenison1,851.8216,94216,55416,415
Dallas CountyAdel1,532.5740,75051,79659,930
Davis CountyBloomfield1,307.668,5418,5148,569
Decatur CountyLeon1,381.298,6898,4728,409
Delaware CountyManchester1,499.7318,40417,62217,301
Des Moines CountyBurlington1,113.1842,35140,54040,629
Dickinson CountySpirit Lake1,045.5516,42416,61016,775
Dubuque CountyDubuque1,596.8889,14390,97592,724
Emmet CountyEstherville1,042.1611,02710,47610,457
Fayette CountyWest Union1,894.4522,00820,95420,273
Floyd CountyCharles City1,298.3916,90016,31116,183
Franklin CountyHampton1,509.9910,70410,61010,477
Fremont CountySidney1,338.408,0107,5707,446
Greene CountyJefferson1,479.2210,3669,7959,293
Grundy CountyGrundy Center1,301.6012,36912,23812,183
Guthrie CountyGuthrie Center1,536.0211,35311,21410,956
Hamilton CountyWebster City1,495.5616,43815,93715,357
Hancock CountyGarner1,484.4312,10011,62411,354
Hardin CountyEldora1,476.1118,81217,77517,371
Harrison CountyLogan1,815.4015,66615,53015,222
Henry CountyMount Pleasant1,131.0020,33620,16720,213
Howard CountyCresco1,227.039,9329,6249,484
Humboldt CountyDakota City1,128.5410,3819,8109,514
Ida CountyIda Grove1,119.477,8377,1696,862
Iowa CountyMarengo1,521.2315,67115,92515,877
Jackson CountyMaquoketa1,682.8420,29620,05119,965
Jasper CountyNewton1,898.2837,21337,02836,583
Jefferson CountyFairfield1,131.1016,18115,56015,463
Johnson CountyIowa City1,614.47111,006121,236128,094
Jones CountyAnamosa1,493.6520,22120,31320,346
Keokuk CountySigourney1,502.0411,40010,89910,697
Kossuth CountyAlgona2,523.6617,16315,94915,463
Lee CountyFort Madison, Keokuk1,395.4138,05236,12535,408
Linn CountyCedar Rapids1,876.58191,701200,191208,574
Louisa CountyWapello1,081.6812,18311,77511,725
Lucas CountyChariton1,124.509,4229,5929,290
Lyon CountyRock Rapids1,521.9511,76311,46711,234
Madison CountyWinterset1,456.3514,01914,87015,507
Mahaska CountyOskaloosa1,485.1022,33522,23322,321
Marion CountyKnoxville1,477.6732,05232,32132,571
Marshall CountyMarshalltown1,484.1139,31139,06639,523
Mills CountyGlenwood1,138.7414,54714,85315,113
Mitchell CountyOsage1,215.7410,87410,79110,710
Monona CountyOnawa1,810.0110,0209,3488,966
Monroe CountyAlbia1,124.348,0167,7227,577
Montgomery CountyRed Oak1,100.2511,77111,17910,870
Muscatine CountyMuscatine1,163.0941,72241,96842,504
O'Brien CountyPrimghar1,484.7115,10214,24913,952
Osceola CountySibley1,034.657,0036,6336,444
Page CountyClarinda1,386.5516,97616,00715,664
Palo Alto CountyEmmetsburg1,474.7410,1479,5869,345
Plymouth CountyLe Mars2,237.6524,84924,57724,323
Pocahontas CountyPocahontas1,499.948,6627,8047,560
Polk CountyDes Moines1,533.01374,601402,762424,778
Pottawattamie CountyCouncil Bluffs2,486.2387,70488,98189,647
Poweshiek CountyMontezuma1,518.1718,81518,64318,590
Ringgold CountyMount Ayr1,395.805,4695,1935,156
Sac CountySac City1,498.0011,52910,54010,311
Scott CountyDavenport1,212.55158,668160,101164,690
Shelby CountyHarlan1,531.6413,17312,41912,131
Sioux CountyOrange City1,990.6131,58931,90932,200
Story CountyNevada1,485.8879,98181,85286,754
Tama CountyToledo1,870.9318,10317,91017,690
Taylor CountyBedford1,385.206,9586,5376,298
Union CountyCreston1,103.2112,30911,95112,261
Van Buren CountyKeosauqua1,270.527,8097,6287,676
Wapello CountyOttumwa1,129.1836,05135,78535,513
Warren CountyIndianola1,484.6140,67142,96245,059
Washington CountyWashington1,478.2920,67021,05721,343
Wayne CountyCorydon1,365.136,7306,4286,253
Webster CountyFort Dodge1,859.7440,23538,57938,517
Winnebago CountyForest City1,040.0611,72311,20310,901
Winneshiek CountyDecorah1,786.7821,31020,88620,913
Woodbury CountySioux City2,272.43103,877101,388102,559
Worth CountyNorthwood1,040.427,9097,7217,661
Wright CountyClarion1,508.7714,33413,37312,903
total 145,742.652,926,3242,951,7753,002,555