The Census recently released 2013 Population estimates for the county and metro area levels.
Oklahoma City remained on the list of the top 10 fastest-growing metropolitan areas, at number 9. The ten fastest-growing cities between 2012 and 2013 were Austin, Houston, Raleigh, Orlando, San Antonio, Denver, Nashville, Charlotte, Oklahoma City, and Phoenix. Population changed the least in Pittsburgh, Cleveland, and Buffalo.
See how metro areas across the country compare using the interactive graphics below.