Press release about changing patterns of population growth which show that among the 50 fastest-growing metro areas over the past decade, only 24 of them were among the fastest growing since the 2010 Census. Compares metro area growth 2000-2010 to that of April 2000-July 1, 2011. Two localities in Virginia were among the 10 fastest growing counties or county equivalents since Census Day 2000: Manassas Park and Fredericksburg. Provides links to detailed tables. From the Census Bureau.