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

NOTE: Gray indicates insufficient data or a suppressed estimate.

SNAP participation rates across Idaho zip codes exhibit stark geographic variation, with the highest concentrations (35–50%) clustered in a small area near the southeastern corner of the state, likely around the Fort Hall Indian Reservation, while much of the central mountainous region and Boise metropolitan area report rates below 5%. Northern Idaho displays a patchwork pattern with moderately elevated SNAP usage (10–25%) interspersed among low-participation zones, contrasting with the consistently low rates in the southwestern population centers around the Treasure Valley. Rural and tribal areas consistently show higher food assistance dependency compared to suburban and exurban zip codes, underscoring the role of economic geography and demographic composition in driving program enrollment.

Data: U.S. Census Bureau, 2023 ACS

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