RANKING · 2024 ACS · 102 SHOWN OF 102
Least segregated, Illinois counties
Illinois counties with the lowest CensusEasy Segregation Score, where residents of every race are spread most evenly across neighborhoods (2024 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 25. Biggest climber in the top 100 since 2020: Calhoun County, IL, up 73 places to #14.
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Least segregated by state
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RANKPLACESTATEPOPSEGREGATION SCOREVS 2020
SHOWING 1–102 OF 102
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES