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Knox County, IL
Population by Decades

Date Population Population
Change
Annual
% Change
1900 43,612--
1910 46,1592,5470.6
1920 46,7275680.1
1930 51,3364,6090.9
1940 52,2509140.2
1950 54,3662,1160.4
1960 61,2806,9141.2
1970 61,28000.0
1980 61,6073270.1
1990 56,393-5,214-0.9
2000 55,836-557-0.1
Source: U.S. Bureau of Census

 
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