"DC" . . . "Demographics of Washington, D.C." . . "demographics" . "Demographics of Washington, D.C." . "Washington, D.C." . "Demographics_of_Washington,_D.C." . . . "population" . "the city's demographics" . "Washington D.C." . "Washington population" . "Demographics_of_Washington,_D.C.#Religious_affiliation" . "is a black city basically" . "Demographics_of_Washington,_D.C.#Statistics" . "Population of Washington, D.C." .