The U.S. Census Bureau estimates that the district's population was 705,749 as of July 2019, up more than 100,000 people since the 2010 United States census. When measured decade-over-decade, this shows growth since 2000, following a half-century of population decline. Washington was the 24th-most populous place in the United States . According to data from 2010, commuters from the suburbs boost the district's daytime population past one million. If the district were a state, it would rank 49th in population, ahead of Vermont and Wyoming.