Least racially diverse, US metro areas · 2020
US metro areas with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). Rio Grande City-Roma, TX leads at 5. 918 metro areas qualify in total. Ohio carries 7 of the top 25 entries.
Flip the list · Most racially diverse, US metro areas →UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which metro area has the lowest diversity score?
Rio Grande City-Roma, TX ranks #1 with 5 (2020 American Community Survey).
What are the top 5 metro areas by diversity score?
Rio Grande City-Roma, TX, St. Marys, PA, Pikeville, KY, Greenville, OH, Coshocton, OH.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year 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, American Community Survey 5-year estimates (2020).