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The U.S. is an aging nation. The median age in more than 85 percent of 3,140 counties has increased over the last decade, according to a Social Explorer analysis of 2006-10 and 2014-18 ACS data. The median age climbed 28.9 years in Archuleta County, Colo.; 23.3 years in Hinsdale County, Colo.; and 17.7 years in Jones County, S.D. Discover aging trends in your county with Social Explorer.
Change in Median Age from 2010 to 2018. Click here to explore further.