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

NOTE: Gray indicates insufficient data or a suppressed estimate.

High school graduation rates across Tennessee zip codes generally range from 70% to 95%, with notable clusters of higher attainment (90%+) in suburban areas surrounding Nashville and in parts of the northwestern region of the state. The eastern mountainous counties along the Appalachian border and several urban core zip codes—particularly visible near Memphis in the southwest—display markedly lower graduation rates, dipping below 60-70% in some areas. A few isolated zip codes register extremely low rates near 0-50%, likely reflecting small populations or institutional settings such as university areas where non-graduate populations may be concentrated.

Data: U.S. Census Bureau, 2023 ACS

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