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Polk County, MO
Population by Decades

Date Population Population
Change
Annual
% Change
1900 23,255--
1910 21,561-1,694-0.8
1920 20,351-1,210-0.6
1930 17,803-2,548-1.3
1940 17,400-403-0.2
1950 16,062-1,338-0.8
1960 13,753-2,309-1.5
1970 15,4151,6621.1
1980 18,8223,4072.0
1990 21,8263,0041.5
2000 26,9925,1662.1
Source: U.S. Bureau of Census

 
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