The District of Columbia grew by 13,303 residents from July 2011 to July 2012, coming in twelfth on the U.S. Census' list of the fastest-growing cities in that period.
New York City led the charge with 67,058 residents, followed by Houston, Los Angeles, San Antonio, Austin, Pheonix, Dallas, Charlotte, San Diego, Fort Worth, and Denver.
With the new residents, D.C.'s population hit 632,323. While the city added over 30,000 residents from 2000 to 2010, its pace of growth increased substantially thereafter, with over 1,000 residents moving into the city per month.
D.C.'s population topped out at 802,178 in 1950, steadily falling every decade thereafter until 2010, when it posted a 5.2 percent population increase from the decade prior.