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

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across Montana zip codes are generally high, with the eastern half of the state dominated by yellow shading indicating rates at or above 95%, while the western mountainous regions display considerably more variability with pockets of green and teal suggesting rates dropping into the 70–85% range. Several zip codes in the northwest near the Flathead Reservation and in south-central Montana along parts of the Crow and Northern Cheyenne reservations show notably lower attainment, with a few areas falling below 70%. The contrast between the uniformly high-attainment agricultural east and the more heterogeneous west likely reflects differences in demographic composition, economic structure, and the presence of tribal communities where historical educational inequities persist.

Data: U.S. Census Bureau, 2023 ACS

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