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

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across the Portland metro area generally exceed 85%, with the highest concentrations (95–100%) appearing in the outer suburban areas to the south, southwest, and in parts of Lake Oswego and the far eastern periphery. A notable corridor of lower attainment (roughly 60–75%) cuts through inner southeast and northeast Portland, extending eastward toward Gresham, likely reflecting areas with higher immigrant populations and historically underserved communities. The contrast between the affluent southwestern suburbs and this central-to-eastern corridor represents the most pronounced educational attainment divide in the metro region.

Data: U.S. Census Bureau, 2023 ACS

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