Least racially diverse, US cities · 2000
US cities with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). Swoyersville, Pennsylvania leads at 1. 6,299 cities qualify in total. Cities with fewer than 5,000 residents are excluded. Pennsylvania carries 4 of the top 25 entries.
Flip the list · Most racially diverse, US cities →UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which city has the lowest diversity score?
Swoyersville, Pennsylvania ranks #1 with 1 (2000 American Community Survey).
What are the top 5 cities by diversity score?
Swoyersville, Pennsylvania, Mila Doce, Texas, Bonne Terre, Missouri, Columbiana, Ohio, Lonsdale, Minnesota.
How many cities are in this ranking?
6,299 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). 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).