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Iowa

State in USA

Contents: Subdivision

The population development in Iowa as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, »race«, ethnicity).

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2018-07-01
IowaState2,776,8312,926,5383,046,8723,156,145
AdairCounty8,4098,2527,6827,063
AdamsCounty4,8664,4794,0293,645
AllamakeeCounty13,85514,68714,32813,832
AppanooseCounty13,74313,71512,88712,437
AudubonCounty7,3346,8266,1195,506
BentonCounty22,42925,31226,06925,642
Black HawkCounty123,798127,990131,090132,408
BooneCounty25,18626,20626,30826,346
BremerCounty22,81323,36124,27624,947
BuchananCounty20,84421,09220,95821,199
Buena VistaCounty19,96520,41520,26519,874
ButlerCounty15,73115,30714,86914,539
CalhounCounty11,50811,11410,1779,699
CarrollCounty21,42321,43320,81620,154
CassCounty15,12814,68913,95212,930
CedarCounty17,44418,18118,49518,627
Cerro GordoCounty46,73346,45444,15142,647
CherokeeCounty14,09813,03212,06711,321
ChickasawCounty13,29513,09512,44211,964
ClarkeCounty8,2879,1319,2869,423
ClayCounty17,58517,36916,66716,134
ClaytonCounty19,05418,66718,12817,556
ClintonCounty51,04050,15949,11746,518
CrawfordCounty16,77516,94517,09617,158
DallasCounty29,75541,10966,13890,180
DavisCounty8,3128,5418,7539,017
DecaturCounty8,3388,6898,4577,890
DelawareCounty18,03518,42217,77017,069
Des MoinesCounty42,61442,35940,32539,138
DickinsonCounty14,90916,42916,66717,153
DubuqueCounty86,40389,13393,64396,854
EmmetCounty11,56911,02210,3029,253
FayetteCounty21,84322,02020,88219,660
FloydCounty17,05816,89816,29515,761
FranklinCounty11,36410,70010,68010,124
FremontCounty8,2268,0087,4386,993
GreeneCounty10,04510,3729,3378,981
GrundyCounty12,02912,37012,45312,304
GuthrieCounty10,93511,34810,95510,720
HamiltonCounty16,07116,43515,67314,952
HancockCounty12,63812,10711,33810,712
HardinCounty19,09418,80617,53416,868
HarrisonCounty14,73015,67414,93714,134
HenryCounty19,22620,35320,14520,067
HowardCounty9,8099,9519,5649,187
HumboldtCounty10,75610,3849,8149,547
IdaCounty8,3657,8397,0896,841
IowaCounty14,63015,68016,35516,141
JacksonCounty19,95020,29519,85319,432
JasperCounty34,79537,22936,84237,147
JeffersonCounty16,31016,18016,84018,381
JohnsonCounty96,119110,983130,882151,260
JonesCounty19,44420,22720,63620,744
KeokukCounty11,62411,40510,51110,225
KossuthCounty18,59117,15915,54514,908
LeeCounty38,68738,06235,86234,055
LinnCounty168,767191,728211,238225,909
LouisaCounty11,59212,18811,38711,169
LucasCounty9,0709,4128,9008,645
LyonCounty11,95211,76311,58111,811
MadisonCounty12,48314,01215,67916,249
MahaskaCounty21,53222,31922,38222,000
MarionCounty30,00132,04833,30733,407
MarshallCounty38,27639,33240,64839,981
MillsCounty13,20214,54315,05915,063
MitchellCounty10,92810,87710,77610,569
MononaCounty10,03410,0209,2428,679
MonroeCounty8,1148,0127,9727,790
MontgomeryCounty12,07611,77510,74010,003
MuscatineCounty39,90741,72342,74942,929
O'BrienCounty15,44415,09614,39813,840
OsceolaCounty7,2677,0036,4626,040
PageCounty16,87016,98215,94615,249
Palo AltoCounty10,66910,1439,4218,929
PlymouthCounty23,38824,85924,98425,095
PocahontasCounty9,5258,6647,3106,740
PolkCounty327,140374,258430,632487,204
PottawattamieCounty82,62887,82593,14993,533
PoweshiekCounty19,03318,82918,91518,699
RinggoldCounty5,4205,4695,1304,968
SacCounty12,32411,53110,3509,719
ScottCounty150,973158,705165,223173,283
ShelbyCounty13,23013,06412,16911,578
SiouxCounty29,90331,59633,70434,909
StoryCounty74,25279,98889,54298,105
TamaCounty17,41918,09917,76716,904
TaylorCounty7,1146,9586,3176,191
UnionCounty12,75012,31212,53412,359
Van BurenCounty7,6767,8007,5717,020
WapelloCounty35,69636,06735,62435,205
WarrenCounty36,03340,67246,22851,056
WashingtonCounty19,61220,67921,70422,141
WayneCounty7,0676,7326,4036,401
WebsterCounty40,34240,23038,01336,277
WinnebagoCounty12,12211,71710,87410,518
WinneshiekCounty20,84721,29121,05820,029
WoodburyCounty98,276103,876102,175102,539
WorthCounty7,9917,9047,5917,453
WrightCounty14,26914,33713,22912,690
USA [United States of America]Federal Republic248,709,873281,421,906308,758,105327,167,434

Source: U.S. Census Bureau (web).

Explanation: 2000 population in the boundaries of 2010. 2010 and 2018 population in the boundaries of 2018.


Further information about the population structure:

Gender (E 2018)
Males1,570,807
Females1,585,338
Age Groups (E 2018)
0-14 years607,897
15-64 years2,008,418
65+ years539,830
Age Distribution (E 2018)
0-9 years399,333
10-19 years422,686
20-29 years432,064
30-39 years395,533
40-49 years360,098
50-59 years402,971
60-69 years376,323
70-79 years220,867
80+ years146,270
»Race« (E 2018)
White2,864,126
Black/African American124,819
Indigenous16,681
Asian85,708
Pacific Islander4,232
2 or more60,579
Ethnicity (E 2018)
Hispanic or Latino194,432
Other2,961,713

See also: