Information About District of Columbia
Population of District of Columbia: 550,521 (Census 2005 estimate)
Number of counties: 1 (browse District of Columbia by county)
Number of populated places in District of Columbia: 57 (browse District of Columbia by place)
"Populated Places" include cities, boroughs, towns, villages and named areas that have city features.
Land area of District of Columbia: 61.403 square miles (approx)
Water area of District of Columbia: 6.938 square miles (approx)
Total area of District of Columbia: 68.341 square miles (approx)
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