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Clay County, MN
Population by Decades

Date Population Population
Change
Annual
% Change
1900 17,942--
1910 19,6401,6980.9
1920 21,7802,1401.0
1930 23,1201,3400.6
1940 25,3372,2170.9
1950 30,3635,0261.8
1960 39,0808,7172.6
1970 46,5857,5051.8
1980 49,3272,7420.6
1990 50,4221,0950.2
2000 51,2298070.2
Source: U.S. Bureau of Census

 
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