AP Human Geography 2016-01-25 Chapter 7 Ethnicity I. KEY ISSUE 1 Where Are Ethnicities Distributed? A. Distribution of Ethnicities in the United States ? The two most numerous ethnicities in the United States are African-Americans, about 13 percent, and Hispanics or Latinos, about 11 percent. In addition, about 4 percent are Asian-American and 1 percent American Indian. 1. Clusterings of Ethnicities ? Clustering of ethnicities can occur at two scales, particular regions of the country, and particular neighborhoods within cities. B. REGIONAL CONCENTRATIONS OF ETHNICITIES ? African-Americans are clustered in the Southeast, Hispanics in the Southwest, Asian- Americans in the West, and American Indians in the Southwest and Plains states.