Most racially diverse, US metro areas · 1990
US metro areas ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). Lumberton, NC leads at 83. 918 metro areas qualify in total. California carries 10 of the top 25 entries. The median across all 918 is 22.
Flip the list · Least racially diverse, US metro areas →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which metro area has the highest diversity score?
Lumberton, NC ranks #1 with 83 (1990 Decennial Census).
What are the top 5 metro areas by diversity score?
Lumberton, NC, Los Angeles-Long Beach-Anaheim, CA, Salinas, CA, Farmington, NM, Fresno, CA.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.
How is diversity score measured?
CensusEasy Diversity Score (0 to 100): the chance that two random residents are of a different race or ethnicity, rescaled so 100 is a perfectly even split across all five groups. A Simpson diversity index over the five ACS race and ethnicity shares. Source: US Census Bureau, 1990 Decennial Census.