CartogramsMapping StereotypesReal estate U.S. County Median Year Housing Structure Built January 31, 2017 Alex www.metricmaps.com Related Posts:U.S. Housing Units Built by Era (1940 - 2009)The Oldest Building in Each U.S. State MappedAmerica’s great housing divide: Are you a winner or loser?In A High-Rent World, Affordable And Safe Housing Is…Household Income in the United States MappedThe Most Affordable ZIP Codes to Buy Property in…The Wealthiest and Poorest County in Every U.S. StateU.S. Non-Hispanic White Population by County (1990 - 2017)