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

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across the Denver metro area exhibit a clear east-west divide, with western communities like Arvada, Lakewood, and Broomfield consistently reaching 90–100%, while zip codes in the Aurora and Thornton corridors to the east and northeast fall notably lower, often into the 70–85% range. The lowest graduation rates, dipping below 60%, appear concentrated in a few zip codes near central Denver and immediately south of Lakewood, likely corresponding to areas with higher immigrant populations or concentrated poverty. Suburban areas to the south around Centennial and the far southwest display moderately high rates in the 85–95% range, forming a transitional band between the high-performing western suburbs and the lower-performing eastern core.

Data: U.S. Census Bureau, 2023 ACS

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