The graph below ranks each Iowa County by total residents according to the 2006 census estimates.

Iowa total population by county

CountyTotal Population
PolkPolk County total population - 408,888408,888  
LinnLinn County total population - 201,853201,853
ScottScott County total population - 162,621162,621
Black HawkBlack Hawk County total population - 126,106126,106
JohnsonJohnson County total population - 118,038118,038
WoodburyWoodbury County total population - 102,972102,972
DubuqueDubuque County total population - 92,38492,384
PottawattamiePottawattamie County total population - 90,21890,218
StoryStory County total population - 80,14580,145
DallasDallas County total population - 54,52554,525
ClintonClinton County total population - 49,78249,782
Cerro GordoCerro Gordo County total population - 44,38444,384
WarrenWarren County total population - 43,92643,926
MuscatineMuscatine County total population - 42,88342,883
Des MoinesDes Moines County total population - 40,88540,885
MarshallMarshall County total population - 39,55539,555
WebsterWebster County total population - 38,96038,960
JasperJasper County total population - 37,40937,409
LeeLee County total population - 36,33836,338
WapelloWapello County total population - 36,01036,010
MarionMarion County total population - 32,98732,987
SiouxSioux County total population - 32,52532,525
BentonBenton County total population - 26,96226,962
BooneBoone County total population - 26,58426,584
PlymouthPlymouth County total population - 24,90624,906
BremerBremer County total population - 23,83723,837
MahaskaMahaska County total population - 22,29822,298
WashingtonWashington County total population - 21,52921,529
WinneshiekWinneshiek County total population - 21,26321,263
BuchananBuchanan County total population - 21,04521,045
FayetteFayette County total population - 20,99620,996
CarrollCarroll County total population - 20,96320,963
JonesJones County total population - 20,50520,505
HenryHenry County total population - 20,40520,405
JacksonJackson County total population - 20,29020,290
Buena VistaBuena Vista County total population - 20,09120,091
PoweshiekPoweshiek County total population - 19,00719,007
CedarCedar County total population - 18,32618,326
ClaytonClayton County total population - 18,25118,251
TamaTama County total population - 17,89017,890
DelawareDelaware County total population - 17,84817,848
HardinHardin County total population - 17,79117,791
CrawfordCrawford County total population - 16,94816,948
DickinsonDickinson County total population - 16,92416,924
ClayClay County total population - 16,80116,801
FloydFloyd County total population - 16,44116,441
PagePage County total population - 16,26316,263
IowaIowa County total population - 16,14016,140
HamiltonHamilton County total population - 16,08716,087
KossuthKossuth County total population - 16,01116,011
JeffersonJefferson County total population - 15,94515,945
HarrisonHarrison County total population - 15,74515,745
MillsMills County total population - 15,59515,595
MadisonMadison County total population - 15,54715,547
ButlerButler County total population - 15,07315,073
AllamakeeAllamakee County total population - 14,79614,796
O'BrienO'Brien County total population - 14,40914,409
CassCass County total population - 14,12414,124
AppanooseAppanoose County total population - 13,42213,422
WrightWright County total population - 13,41913,419
ShelbyShelby County total population - 12,48912,489
ChickasawChickasaw County total population - 12,41212,412
GrundyGrundy County total population - 12,32012,320
CherokeeCherokee County total population - 12,09412,094
UnionUnion County total population - 12,09312,093
LouisaLouisa County total population - 11,85811,858
HancockHancock County total population - 11,68011,680
LyonLyon County total population - 11,63611,636
MontgomeryMontgomery County total population - 11,36511,365
GuthrieGuthrie County total population - 11,34411,344
WinnebagoWinnebago County total population - 11,21611,216
KeokukKeokuk County total population - 11,08111,081
MitchellMitchell County total population - 10,85610,856
FranklinFranklin County total population - 10,70810,708
SacSac County total population - 10,68210,682
EmmetEmmet County total population - 10,47910,479
CalhounCalhoun County total population - 10,43710,437
HumboldtHumboldt County total population - 9,9759,975
GreeneGreene County total population - 9,8099,809
HowardHoward County total population - 9,6779,677
Palo AltoPalo Alto County total population - 9,5499,549
LucasLucas County total population - 9,5439,543
MononaMonona County total population - 9,3439,343
ClarkeClarke County total population - 9,1569,156
DecaturDecatur County total population - 8,6568,656
DavisDavis County total population - 8,6028,602
Van BurenVan Buren County total population - 7,8367,836
PocahontasPocahontas County total population - 7,7947,794
FremontFremont County total population - 7,7377,737
MonroeMonroe County total population - 7,7257,725
AdairAdair County total population - 7,7147,714
WorthWorth County total population - 7,6987,698
IdaIda County total population - 7,1807,180
OsceolaOsceola County total population - 6,6296,629
WayneWayne County total population - 6,5426,542
TaylorTaylor County total population - 6,5406,540
AudubonAudubon County total population - 6,2786,278
RinggoldRinggold County total population - 5,2895,289
AdamsAdams County total population - 4,1924,192

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Iowa population comparison tables
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White:
Total Percentage
Black:
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Asian:
Total Percentage
American Indian:
Total Percentage
Hawaiian & Pacific Islander:
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Mixed Race:
Total Percentage

Iowa Public Records

Iowa Court Records