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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
2019-07-01
IowaState2,776,8312,926,5383,046,8713,155,070
AdairCounty8,4098,2527,6827,152
AdamsCounty4,8664,4794,0293,602
AllamakeeCounty13,85514,68714,32813,687
AppanooseCounty13,74313,71512,88712,426
AudubonCounty7,3346,8266,1195,496
BentonCounty22,42925,31226,06925,645
Black HawkCounty123,798127,990131,086131,228
BooneCounty25,18626,20626,30826,234
BremerCounty22,81323,36124,28025,062
BuchananCounty20,84421,09220,95321,175
Buena VistaCounty19,96520,41520,26519,620
ButlerCounty15,73115,30714,86914,439
CalhounCounty11,50811,11410,1779,668
CarrollCounty21,42321,43320,81620,165
CassCounty15,12814,68913,95212,836
CedarCounty17,44418,18118,44118,627
Cerro GordoCounty46,73346,45444,15342,450
CherokeeCounty14,09813,03212,06711,235
ChickasawCounty13,29513,09512,44211,933
ClarkeCounty8,2879,1319,2869,395
ClayCounty17,58517,36916,66716,016
ClaytonCounty19,05418,66718,12817,549
ClintonCounty51,04050,15949,11746,429
CrawfordCounty16,77516,94517,09616,820
DallasCounty29,75541,10966,13993,453
DavisCounty8,3128,5418,7539,000
DecaturCounty8,3388,6898,4567,870
DelawareCounty18,03518,42217,77017,011
Des MoinesCounty42,61442,35940,32538,967
DickinsonCounty14,90916,42916,66717,258
DubuqueCounty86,40389,13393,64397,311
EmmetCounty11,56911,02210,3029,208
FayetteCounty21,84322,02020,88219,650
FloydCounty17,05816,89816,29315,642
FranklinCounty11,36410,70010,68010,070
FremontCounty8,2268,0087,4386,960
GreeneCounty10,04510,3729,3378,888
GrundyCounty12,02912,37012,45312,232
GuthrieCounty10,93511,34810,95510,689
HamiltonCounty16,07116,43515,67514,773
HancockCounty12,63812,10711,33810,630
HardinCounty19,09418,80617,53416,846
HarrisonCounty14,73015,67414,93714,049
HenryCounty19,22620,35320,14519,954
HowardCounty9,8099,9519,5649,158
HumboldtCounty10,75610,3849,8149,558
IdaCounty8,3657,8397,0896,860
IowaCounty14,63015,68016,35616,184
JacksonCounty19,95020,29519,85319,439
JasperCounty34,79537,22936,84237,185
JeffersonCounty16,31016,18016,84018,295
JohnsonCounty96,119110,983130,882151,140
JonesCounty19,44420,22720,63620,681
KeokukCounty11,62411,40510,51010,246
KossuthCounty18,59117,15915,54514,813
LeeCounty38,68738,06235,86233,657
LinnCounty168,767191,728211,243226,706
LouisaCounty11,59212,18811,38711,035
LucasCounty9,0709,4128,9008,600
LyonCounty11,95211,76311,58111,755
MadisonCounty12,48314,01215,68116,338
MahaskaCounty21,53222,31922,38222,095
MarionCounty30,00132,04833,30733,253
MarshallCounty38,27639,33240,64839,369
MillsCounty13,20214,54315,05915,109
MitchellCounty10,92810,87710,77610,586
MononaCounty10,03410,0209,2428,615
MonroeCounty8,1148,0127,9727,707
MontgomeryCounty12,07611,77510,7409,917
MuscatineCounty39,90741,72342,80342,664
O'BrienCounty15,44415,09614,39813,753
OsceolaCounty7,2677,0036,4625,958
PageCounty16,87016,98215,94615,107
Palo AltoCounty10,66910,1439,4218,886
PlymouthCounty23,38824,85924,98425,177
PocahontasCounty9,5258,6647,3106,619
PolkCounty327,140374,258430,631490,161
PottawattamieCounty82,62887,82593,14993,206
PoweshiekCounty19,03318,82918,91518,504
RinggoldCounty5,4205,4695,1304,894
SacCounty12,32411,53110,3509,721
ScottCounty150,973158,705165,223172,943
ShelbyCounty13,23013,06412,16911,454
SiouxCounty29,90331,59633,70434,855
StoryCounty74,25279,98889,54297,117
TamaCounty17,41918,09917,76716,854
TaylorCounty7,1146,9586,3176,121
UnionCounty12,75012,31212,53412,241
Van BurenCounty7,6767,8007,5717,044
WapelloCounty35,69636,06735,62434,969
WarrenCounty36,03340,67246,22651,466
WashingtonCounty19,61220,67921,70421,965
WayneCounty7,0676,7326,4036,441
WebsterCounty40,34240,23038,01135,904
WinnebagoCounty12,12211,71710,87410,354
WinneshiekCounty20,84721,29121,05819,991
WoodburyCounty98,276103,876102,175103,107
WorthCounty7,9917,9047,5917,381
WrightCounty14,26914,33713,22912,562
USA [United States of America]Federal Republic248,709,873281,421,906308,758,105328,239,523

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

Explanation: 2000 population in the boundaries of 2010. 2010 and 2019 population in the boundaries of 2019.

Further information about the population structure:

Gender (E 2019)
Males1,571,075
Females1,583,995
Age Groups (E 2019)
0-14 years604,131
15-64 years1,997,985
65+ years552,954
Age Distribution (E 2019)
0-9 years395,792
10-19 years420,543
20-29 years430,266
30-39 years394,368
40-49 years361,158
50-59 years395,127
60-69 years381,748
70-79 years229,378
80+ years146,690
»Race« (E 2019)
White2,859,080
Black/African American128,105
Indigenous17,060
Asian84,119
Pacific Islander4,804
2 or more61,902
Ethnicity (E 2019)
Hispanic or Latino198,550
Other2,956,520

See also:

USA: Counties