This document discusses the distribution of ethnic groups in the United States. It defines ethnicity and race, and identifies the four major ethnic groups in the US besides whites. These groups are clustered in certain areas of the country. Hispanic/Latino and Asian groups are also discussed. Ethnic groups tend to be more concentrated in cities. The document examines the historic migration patterns of African Americans and discusses concepts relating to the geography of race such as segregation, white flight, and blockbusting.