Wikipedia for the first time since the 1970s majority black city Washington, D.C. view article Washington DC demographics Over 800,000 people roughly 600,00 for the first time since the 1970s About 50% some DC demographic trends some DC demographic trends Over 800,000 people DC has 38%, with 50% black 65 percent Black 55% black Wiki Page 802,178, from the 1950 census majority black city Washington, DC’s residents are black over 800,000 people majority black city 55.6% black * Wikipedia 65 percent Black 802,178, from the 1950 census Wiki Page in a majority black city