Population Hispanic % by Zip Code (ZCTA5) — Illinois

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest concentrations of Hispanic residents in Illinois cluster heavily in the Chicago metropolitan area, where several zip codes in the city's west and south sides exceed 50%, appearing in bright yellow and green tones. A secondary band of moderate Hispanic population (10–25%) extends westward from Chicago through the northern Illinois corridor, likely reflecting suburban communities in areas such as Aurora, Elgin, and Joliet. Central and southern Illinois remain overwhelmingly low in Hispanic population share, generally below 5%, with only isolated pockets of elevated percentages near smaller urban centers like Springfield and Champaign.

Data: U.S. Census Bureau, 2023 ACS

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