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Iowa (State in USA)

Contents: Subdivision

The population development in Iowa.

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2016-07-01
IowaState2,776,8312,926,5383,046,8693,134,693
AdairCounty8,4098,2527,6827,092
AdamsCounty4,8664,4794,0293,693
AllamakeeCounty13,85514,68714,32813,884
AppanooseCounty13,74313,71512,88712,462
AudubonCounty7,3346,8266,1195,678
BentonCounty22,42925,31226,07625,699
Black HawkCounty123,798127,990131,090132,904
BooneCounty25,18626,20626,30626,532
BremerCounty22,81323,36124,27624,798
BuchananCounty20,84421,09220,95820,992
Buena VistaCounty19,96520,41520,26020,332
ButlerCounty15,73115,30714,86714,791
CalhounCounty11,50811,11410,1779,846
CarrollCounty21,42321,43320,81620,437
CassCounty15,12814,68913,95613,157
CedarCounty17,44418,18118,49518,454
Cerro GordoCounty46,73346,45444,15143,070
CherokeeCounty14,09813,03212,07211,508
ChickasawCounty13,29513,09512,43912,023
ClarkeCounty8,2879,1319,2869,309
ClayCounty17,58517,36916,66716,333
ClaytonCounty19,05418,66718,12917,590
ClintonCounty51,04050,15949,11647,309
CrawfordCounty16,77516,94517,09616,940
DallasCounty29,75541,10966,13784,516
DavisCounty8,3128,5418,7538,860
DecaturCounty8,3388,6898,4578,141
DelawareCounty18,03518,42217,76417,327
Des MoinesCounty42,61442,35940,32539,739
DickinsonCounty14,90916,42916,66717,243
DubuqueCounty86,40389,13393,65397,003
EmmetCounty11,56911,02210,3029,658
FayetteCounty21,84322,02020,88020,054
FloydCounty17,05816,89816,30315,873
FranklinCounty11,36410,70010,68010,170
FremontCounty8,2268,0087,4416,950
GreeneCounty10,04510,3729,3379,011
GrundyCounty12,02912,37012,45312,313
GuthrieCounty10,93511,34810,95410,625
HamiltonCounty16,07116,43515,67315,076
HancockCounty12,63812,10711,34110,835
HardinCounty19,09418,80617,53417,226
HarrisonCounty14,73015,67414,93714,149
HenryCounty19,22620,35320,14519,773
HowardCounty9,8099,9519,5669,332
HumboldtCounty10,75610,3849,8149,487
IdaCounty8,3657,8397,0896,985
IowaCounty14,63015,68016,35516,311
JacksonCounty19,95020,29519,84819,472
JasperCounty34,79537,22936,84236,708
JeffersonCounty16,31016,18016,84318,090
JohnsonCounty96,119110,983130,882146,547
JonesCounty19,44420,22720,63620,439
KeokukCounty11,62411,40510,51110,119
KossuthCounty18,59117,15915,54315,114
LeeCounty38,68738,06235,86234,615
LinnCounty168,767191,728211,229221,661
LouisaCounty11,59212,18811,38711,142
LucasCounty9,0709,4128,8988,647
LyonCounty11,95211,76311,58111,754
MadisonCounty12,48314,01215,67915,848
MahaskaCounty21,53222,31922,38122,181
MarionCounty30,00132,04833,30933,189
MarshallCounty38,27639,33240,64840,312
MillsCounty13,20214,54315,05914,972
MitchellCounty10,92810,87710,77210,763
MononaCounty10,03410,0209,2428,898
MonroeCounty8,1148,0127,9707,870
MontgomeryCounty12,07611,77510,74010,225
MuscatineCounty39,90741,72342,74942,940
O'BrienCounty15,44415,09614,39814,020
OsceolaCounty7,2677,0036,4626,064
PageCounty16,87016,98215,94315,391
Palo AltoCounty10,66910,1439,4219,047
PlymouthCounty23,38824,85924,98125,200
PocahontasCounty9,5258,6647,3106,886
PolkCounty327,140374,258430,635474,045
PottawattamieCounty82,62887,82593,14993,582
PoweshiekCounty19,03318,82918,91418,533
RinggoldCounty5,4205,4695,1315,068
SacCounty12,32411,53110,3509,876
ScottCounty150,973158,705165,224172,474
ShelbyCounty13,23013,06412,16711,800
SiouxCounty29,90331,59633,70434,898
StoryCounty74,25279,98889,54297,090
TamaCounty17,41918,09917,76717,319
TaylorCounty7,1146,9586,3176,216
UnionCounty12,75012,31212,53412,420
Van BurenCounty7,6767,8007,5707,271
WapelloCounty35,69636,06735,62534,982
WarrenCounty36,03340,67246,22849,691
WashingtonCounty19,61220,67921,70422,281
WayneCounty7,0676,7326,4036,452
WebsterCounty40,34240,23038,01336,769
WinnebagoCounty12,12211,71710,86610,631
WinneshiekCounty20,84721,29121,05820,561
WoodburyCounty98,276103,876102,177102,779
WorthCounty7,9917,9047,5987,572
WrightCounty14,26914,33713,22912,779

Source: US Census Bureau (web).

Explanation: 2000 population in the boundaries of 2010. 2010 and 2016 population in the boundaries of 2016.


Further Population Figures:

Gender (E 2015)
Males1,552,026
Females1,571,873
Age Groups (E 2015)
0-17 years728,796
18-64 years1,892,226
65+ years502,877
Age Distribution (E 2015)
0-9 years402,370
10-19 years417,513
20-29 years422,022
30-39 years388,973
40-49 years364,782
50-59 years429,168
60-69 years354,176
70-79 years199,413
80+ years145,482
»Race« (E 2015)
White2,866,320
Black/African American110,050
Indigenous15,662
Asian73,564
Pacific Islander3,209
2 or more55,094
Ethnicity (E 2015)
Hispanic or Latino178,620
Other2,945,279