Counties in South Carolina by median age

McCormick County had the highest median age of 46 counties in 2021, at 56.9 years. Richland County had the lowest, at 33.8 years. The median was 41.3 years and the figure for South Carolina was 39.8 years. Source: the U.S. Census Bureau.

Highest56.9McCormick County
Lowest33.8Richland County
Median41.346 counties
South Carolina39.8History

All counties, 2021

CSVChart (SVG)

McCormick CountyMcCormick County: 56.9 years56.9Georgetown CountyGeorgetown County: 50.4 years50.4Fairfield CountyFairfield County: 47.3 years47.3Horry CountyHorry County: 47.3 years47.3Beaufort CountyBeaufort County: 46.7 years46.7Oconee CountyOconee County: 46.5 years46.5Calhoun CountyCalhoun County: 45.8 years45.8Clarendon CountyClarendon County: 45.7 years45.7Abbeville CountyAbbeville County: 44.3 years44.3Union CountyUnion County: 44 years44Allendale CountyAllendale County: 43.9 years43.9Williamsburg CountyWilliamsburg County: 43.3 years43.3Edgefield CountyEdgefield County: 43 years43Jasper CountyJasper County: 42.5 years42.5Chesterfield CountyChesterfield County: 42.4 years42.4Newberry CountyNewberry County: 42.3 years42.3Saluda CountySaluda County: 42.3 years42.3Colleton CountyColleton County: 42.2 years42.2Lancaster CountyLancaster County: 42.2 years42.2Chester CountyChester County: 41.8 years41.8Darlington CountyDarlington County: 41.5 years41.5Barnwell CountyBarnwell County: 41.3 years41.3Lee CountyLee County: 41.3 years41.3Aiken CountyAiken County: 41.2 years41.2Marion CountyMarion County: 41.2 years41.2Kershaw CountyKershaw County: 41.1 years41.1Marlboro CountyMarlboro County: 41.1 years41.1Bamberg CountyBamberg County: 41 years41Laurens CountyLaurens County: 40.9 years40.9Anderson CountyAnderson County: 40.7 years40.7Hampton CountyHampton County: 40.6 years40.6Orangeburg CountyOrangeburg County: 40.6 years40.6Greenwood CountyGreenwood County: 40.1 years40.1Florence CountyFlorence County: 39.4 years39.4Cherokee CountyCherokee County: 39.2 years39.2Lexington CountyLexington County: 39.2 years39.2York CountyYork County: 39 years39Greenville CountyGreenville County: 38.5 years38.5Charleston CountyCharleston County: 38.4 years38.4Spartanburg CountySpartanburg County: 38.1 years38.1Dorchester CountyDorchester County: 37.8 years37.8Dillon CountyDillon County: 37.5 years37.5Berkeley CountyBerkeley County: 36.7 years36.7Sumter CountySumter County: 36.7 years36.7Pickens CountyPickens County: 36.4 years36.4Richland CountyRichland County: 33.8 years33.8
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

McCormick County, with 56.9 years in 2021, according to the U.S. Census Bureau.

Which county has the lowest median age?

Richland County, with 33.8 years in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in South Carolina: more rankings