RANKING · 2024 ACS · 500 SHOWN OF 617
Least racially diverse, Illinois ZIP codes
Illinois ZIP codes with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 617 ZIP codes in Illinois that qualify, ranked against each other statewide.
Flip the list · Most racially diverse, US ZIP codes →Least racially diverse by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoDistrict of ColumbiaDelawareFloridaGeorgiaHawaiiIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPDIVERSITY SCOREVS 2000
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES