@uscensusbureau: See how the center of US population has changed since the 1st census in 1790

See how the center of our pop has changed since the 1st census in 1790. #MappyMonday https://t.co/8fstwpsJSn pic.twitter.com/KvJn7xEDga

— U.S. Census Bureau (@uscensusbureau) July 4, 2016

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