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:European Heritage Across America: Mapping Ancestry PatternsLargest Ancestry by U.S. CountyGeography facts about AmericasPredominant ancestry in the U.S.How the World was Imagined: First Maps and AtlasesThe Most Isolated City in Each U.S. State MappedU.S. Non-Hispanic White Population by County (1990 - 2017)The Wealthiest and Poorest County in Every U.S. State