HomeWashington, D.C.Facts & Figures about Washington, DC Facts & Figures about Washington, DC Location ContinentNorth America CountryUnited States of America Federal DistrictDistrict of Columbia (DC) CityWashington Coordinates 38:54:18N 77:00:58W Altitude 2m / 9ft Info Flag Year founded 1790 Currency US Dollar (USD) Language English Timezone Eastern Standard Time (EST) UTC-5 Population Visitors 24 600 000 (2019) Source: washington.org City Population 689 545 (2020) 601 723 (2010) 572 059 (2000) 606 900 (1990) 638 432 (1980) Metro Population 6 033 737 (2014) 5 582 170 (2010) 4 796 183 (2000) 4 122 914 (1990) Source: US Census Bureau