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Rural Land
Clay County, IL
Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
19,553
-
-
1910
18,661
-892
-0.5
1920
17,684
-977
-0.5
1930
16,155
-1,529
-0.9
1940
18,947
2,792
1.6
1950
17,445
-1,502
-0.8
1960
15,815
-1,630
-1.0
1970
14,735
-1,080
-0.7
1980
15,283
548
0.4
1990
14,460
-823
-0.6
2000
14,560
100
0.1
Source:
U.S. Bureau of Census
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