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Decade Censuses
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Housing Affordability
Population
Rural Land
District of Columbia Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
278,718
-
-
1910
331,069
52,351
1.7
1920
437,571
106,502
2.8
1930
486,869
49,298
1.1
1940
663,091
176,222
3.1
1950
802,178
139,087
1.9
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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