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District of Columbia Population by Decades

Date Population Population
Change
Annual
% Change
1900 278,718--
1910 331,06952,3511.7
1920 437,571106,5022.8
1930 486,86949,2981.1
1940 663,091176,2223.1
1950 802,178139,0871.9
1960 763,956-38,222-0.5
1970 756,510-7,446-0.1
1980 638,333-118,177-1.7
1990 606,900-31,433-0.5
2000 572,059-34,841-0.6
Source: U.S. Bureau of Census

 
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