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Decade Censuses
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Rural Land
Iowa Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
2,231,853
-
-
1910
2,224,771
-7,082
0.0
1920
2,404,021
179,250
0.8
1930
2,470,939
66,918
0.3
1940
2,538,268
67,329
0.3
1950
2,621,073
82,805
0.3
1960
2,757,537
136,464
0.5
1970
2,824,376
66,839
0.2
1980
2,913,808
89,432
0.3
1990
2,776,755
-137,053
-0.5
2000
2,926,324
149,569
0.5
Source:
U.S. Bureau of Census
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