Median Age by Zip Code (ZCTA5) — South Carolina

NOTE: Gray indicates insufficient data or a suppressed estimate.

Coastal zip codes along the southeastern shore, particularly in the Hilton Head Island and Myrtle Beach areas, skew notably older with median ages frequently exceeding 55, consistent with these regions' prominence as retirement destinations. The Columbia metropolitan area and zip codes surrounding Clemson in the northwest display distinctly younger median ages in the low-to-mid 20s, reflecting the influence of the University of South Carolina and Clemson University student populations. A broad swath of rural zip codes across the Midlands and Pee Dee regions clusters in the 40–50 range, while pockets of younger populations appear near Augusta-adjacent areas along the western border, likely tied to military installations like Fort Eisenhower's spillover demographics.

Data: U.S. Census Bureau, 2023 ACS

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