Least racially diverse, US metro areas · 2000
US metro areas with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). Warren, PA leads at 2. 918 metro areas qualify in total. Pennsylvania carries 4 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?
Warren, PA ranks #1 with 2 (2000 American Community Survey).
What are the top 5 metro areas by diversity score?
Warren, PA, St. Marys, PA, Escanaba, MI, Spirit Lake, IA, Carroll, IA.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2000 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 (2000).