1800: 8,1441810: 15,4711820: 23,3361830: 30,2611840: 33,7451850: 51,6871860: 75,0801870: 131,7001880: 177,6241890: 230,3921900: 278,7181910: 331,0691920: 437,5711930: 486,8691940: 663,0911950: 802,1781960: 763,9561970: 756,5101980: 638,3331990: 606,9002000: 572,0592010: 601,723Historical Population of Washington D.C.(Source: Wikipedia)