Gainesville’s urban population grew to 130,846 in 2010 from 88,680 in 2000, a jump of nearly 48 percent, outpacing the rest of the nation, according to the U.S. Census Bureau. The bureau released the new list of urban areas Monday based on 2010 census findings. Overall, the nation’s urban population increased by 12.1 percent from 2000 to 2010, compared to the nation’s overall growth rate of 9.7 percent.