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Lake County, IN
Population by Decades

Date Population Population
Change
Annual
% Change
1900 37,892--
1910 82,86444,9728.1
1920 159,95777,0936.8
1930 261,310101,3535.0
1940 293,19531,8851.2
1950 368,15274,9572.3
1960 513,269145,1173.4
1970 546,25332,9840.6
1980 522,965-23,288-0.4
1990 475,594-47,371-0.9
2000 484,5648,9700.2
Source: U.S. Bureau of Census

 
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