% of Population on Food Stamps or SNAP (Last 12 Months), by Zip Code (ZCTA5) — Illinois

NOTE: Gray indicates insufficient data or a suppressed estimate.

Zip codes in the Chicago metropolitan area display stark contrasts, with some South and West Side neighborhoods reaching 40–50% SNAP participation while nearby suburban zip codes fall below 5%, creating one of the sharpest geographic disparities in the state. Elevated SNAP usage clusters also appear in several downstate urban centers—particularly around East St. Louis, Rockford, Peoria, and the Cairo area at the state's southern tip—where rates frequently exceed 25%. Rural central and western Illinois generally falls in the 10–20% range, while the collar counties surrounding Chicago consistently register among the lowest participation rates statewide.

Data: U.S. Census Bureau, 2023 ACS

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