Ethnic maps A map of North America if it was divided by the largest ancestry in each county December 5, 2015 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. Related Posts:Largest Ancestry by U.S. CountyGeography facts about AmericasHow the World was Imagined: First Maps and AtlasesPredominant ancestry in the U.S.The Most Isolated City in Each U.S. State MappedHistorical Maps of the United States and North AmericaU.S. Non-Hispanic White Population by County (1990 - 2017)The Wealthiest and Poorest County in Every U.S. State