High School Graduate (% of Over 25) by Zip Code (ZCTA5) — Idaho

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across Idaho zip codes generally range from 75% to 95%, with notable concentrations of higher attainment (90%+) in the northern panhandle region and scattered rural areas, while a distinct cluster of very low graduation rates appears in the central part of the state near the Sun Valley/Blaine County area, where one zip code falls below 50%. The southern portion of the state, particularly along the Snake River Plain corridor encompassing the Twin Falls and Pocatello areas, displays more variability with a patchwork of moderate (70–85%) and lower attainment zones interspersed with higher-performing zip codes. Several southeastern zip codes near the Fort Hall area also show notably depressed rates, likely reflecting socioeconomic disparities among tribal and agricultural communities.

Data: U.S. Census Bureau, 2023 ACS

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