CartogramsMapping StereotypesReal estate U.S. County Median Year Housing Structure Built January 31, 2017 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. 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. StateUS Home Affordability by County