July 21, 2015 7:25 pm Going Up: D.C. Population Could Hit 800,000 D.C. Mayor Muriel Bowser predicts 800,000 people living in the city in the next 20 years. It’s a number not seen since the 1950s. Local 1:39 Army holds outreach event on National Mall 2:16 Man ‘finally free' from non-violent crime conviction 2:18 Doug's Holiday Lights: Young Alexandria family sets display to music 1:13 Prince George's County police works with Toys for Tots to brighten kids' holiday 3:04 Why DC's mayor says Maryland is holding up an RFK stadium deal