Census Data: Phoenix in Top 10 US Metros for Population Growth Article originally posted on Phoenix Business Journal on March 22, 2018 The Phoenix metropolitan area has added more than 500,000 residents since 2010 — making it one of the fastest-growing regions in the country. Arizona’s largest metro added 544,141 residents between 2010 and 2017, according to estimates released this morning by the U.S. Census Bureau. That translates to a growth rate of 12.98 percent. That pegs Phoenix as the 10th fastest-growing metro in the U.S. Phoenix is one of 53 U.S. metros with populations greater than 1 million. Only nine regions posted faster growth rates than the Valley during the past seven years. Click the View Slideshow button below for a rundown of all major metros,which are ranked by population change during the 2010-2017 period. The gallery was compiled by our sister paper, Buffalo Business First, in upstate New York.. Population growth in major U.S. metros (2010-2017) CLICK TO VIEW SLIDESHOW The bureau issues annual population estimates for 933 metropolitan and micropolitan areas and 3,142 counties across the nation. The figures released today are for July 1 of last year.