Map showing change in population age 65 or older among the largest U.S. metro areas from 2020 to 2023. Overall, the number of people age 65 or older increased by 9.5% in the U.S. during that time period. The metro areas with the largest increases were Raleigh, N.C. (+18.3%); Austin, Texas (+17.3%) and Boise City, Idaho (+17.1%).