Population The United States of America’s mean center of population (1790 – 2010) May 8, 2016 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. Related Posts:Official gems, minerals and rocks symbols of every…Fragile States Index (2015)U.S. Population Density MappedThe world's top 10 most populous cities from 100 AD to todayHistorical Maps of the United States and North AmericaLargest denominations families in the United States…Population density of religious adherents (1890 - 2010)US Population Growth Mapped