20 Most Ethnically Diverse States in the US

04. Maryland

Diversity Index Score: 67.3%

Maryland is the 4th most ethnically diverse state in the United States. According to the 2020 census, 47.2% of Maryland’s population is White, 29.1% is Black or African-American, and 11.8% is Hispanic or Latino. The state’s diversity score increased seven percentage points in the decade from 2010 to 2020.