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Rural Land
Iowa County, IA
Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
19,544
-
-
1910
18,409
-1,135
-0.6
1920
18,600
191
0.1
1930
17,332
-1,268
-0.7
1940
17,016
-316
-0.2
1950
15,835
-1,181
-0.7
1960
16,396
561
0.3
1970
15,419
-977
-0.6
1980
15,429
10
0.0
1990
14,630
-799
-0.5
2000
15,671
1,041
0.7
Source:
U.S. Bureau of Census
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