Least racially diverse, US metro areas
US metro areas with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2024 ACS). Rio Grande City-Roma, TX leads at 7. 925 metro areas qualify in total. Ohio carries 7 of the top 25 entries. The median across all 925 is 49.
Flip the list · Most racially diverse, US metro areas →UPDATED 2026-09-11 · 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 7 (2024 American Community Survey).
What are the top 5 metro areas by diversity score?
Rio Grande City-Roma, TX, Laredo, TX, Eagle Pass, TX, Greenville, OH, St. Marys, PA.
How many metro areas are in this ranking?
925 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2024 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 (2024).