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

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across the Houston metro exhibit a stark core-periphery divide, with many inner-city zip codes—particularly in central and southwest Houston near Gulfton and Sharpstown—falling below 60%, while suburban communities such as The Woodlands, Katy, Sugar Land, and League City consistently exceed 90%. A band of lower attainment extends southeast from central Houston through Pasadena, reflecting concentrations of immigrant and working-class populations in the Ship Channel industrial corridor. The western and southern suburban fringe displays uniformly high rates in the yellow range (90–100%), contrasting sharply with the deep purple pockets that cluster within the 610 Loop and along the Beltway 8 corridor.

Data: U.S. Census Bureau, 2023 ACS

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