Data / Rankings / Population aged 65 and over / Counties in South Carolina

Counties in South Carolina by share of population aged 65 and over, 2025

McCormick County had the highest share of population aged 65 and over of 46 counties in 2025, at 45.1%. Berkeley County had the lowest, at 16.2%. The median was 22.1% and the figure for South Carolina was 21.1%. Source: the U.S. Census Bureau.

Highest45.1McCormick County
Lowest16.2Berkeley County
Median22.146 counties
South Carolina21.1History

All counties, 2025

CSVChart (SVG)

McCormick CountyMcCormick County: 45.1 %45.1Georgetown CountyGeorgetown County: 33.9 %33.9Beaufort CountyBeaufort County: 31.2 %31.2Horry CountyHorry County: 29.9 %29.9Fairfield CountyFairfield County: 29.2 %29.2Jasper CountyJasper County: 28 %28Clarendon CountyClarendon County: 27.9 %27.9Allendale CountyAllendale County: 27.6 %27.6Calhoun CountyCalhoun County: 27.3 %27.3Oconee CountyOconee County: 27.2 %27.2Williamsburg CountyWilliamsburg County: 26.1 %26.1Lee CountyLee County: 25.2 %25.2Abbeville CountyAbbeville County: 24.9 %24.9Marion CountyMarion County: 24.8 %24.8Bamberg CountyBamberg County: 24.8 %24.8Union CountyUnion County: 24 %24Saluda CountySaluda County: 24 %24Colleton CountyColleton County: 23.7 %23.7Newberry CountyNewberry County: 23.2 %23.2Orangeburg CountyOrangeburg County: 22.8 %22.8Aiken CountyAiken County: 22.8 %22.8Lancaster CountyLancaster County: 22.7 %22.7Hampton CountyHampton County: 22.2 %22.2Darlington CountyDarlington County: 22 %22Greenwood CountyGreenwood County: 22 %22Barnwell CountyBarnwell County: 21.8 %21.8Edgefield CountyEdgefield County: 21.6 %21.6Marlboro CountyMarlboro County: 21.2 %21.2Chester CountyChester County: 21.1 %21.1Laurens CountyLaurens County: 20.9 %20.9Chesterfield CountyChesterfield County: 20.8 %20.8Florence CountyFlorence County: 20.4 %20.4Kershaw CountyKershaw County: 20.4 %20.4Sumter CountySumter County: 20.3 %20.3Dillon CountyDillon County: 20.3 %20.3Anderson CountyAnderson County: 20.2 %20.2Cherokee CountyCherokee County: 19.6 %19.6Charleston CountyCharleston County: 19.5 %19.5Lexington CountyLexington County: 19.3 %19.3Pickens CountyPickens County: 19.2 %19.2Greenville CountyGreenville County: 18.7 %18.7Spartanburg CountySpartanburg County: 17.5 %17.5York CountyYork County: 17.4 %17.4Dorchester CountyDorchester County: 17.2 %17.2Richland CountyRichland County: 16.7 %16.7Berkeley CountyBerkeley County: 16.2 %16.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2025 (%)Change on 2024
1McCormick County45.1+1.4 pts
2Georgetown County33.9+1 pts
3Beaufort County31.2+0.8 pts
4Horry County29.9+0.8 pts
5Fairfield County29.2+1 pts
6Jasper County28+0.9 pts
7Clarendon County27.9+0.7 pts
8Allendale County27.6+1.2 pts
9Calhoun County27.3+0.5 pts
10Oconee County27.2+0.5 pts
11Williamsburg County26.1+0.8 pts
12Lee County25.2+0.9 pts
13Abbeville County24.9+0.5 pts
14Marion County24.8+0.7 pts
15Bamberg County24.8+0.3 pts
16Union County24+0.4 pts
17Saluda County24+0.5 pts
18Colleton County23.7+0.5 pts
19Newberry County23.2+0.5 pts
20Orangeburg County22.8+0.4 pts
21Aiken County22.8+0.3 pts
22Lancaster County22.7+0.2 pts
23Hampton County22.2+0.3 pts
24Darlington County22+0.3 pts
25Greenwood County22+0.5 pts
26Barnwell County21.8+0.3 pts
27Edgefield County21.6+0.7 pts
28Marlboro County21.2+0.5 pts
29Chester County21.1+0.2 pts
30Laurens County20.9+0.2 pts
31Chesterfield County20.8+0.2 pts
32Florence County20.4+0.4 pts
33Kershaw County20.4+0.3 pts
34Sumter County20.3+0.5 pts
35Dillon County20.3+0.4 pts
36Anderson County20.2+0.3 pts
37Cherokee County19.6+0.4 pts
38Charleston County19.5+0.5 pts
39Lexington County19.3+0.4 pts
40Pickens County19.2+0.4 pts
41Greenville County18.7+0.4 pts
42Spartanburg County17.5+0.2 pts
43York County17.4+0.4 pts
44Dorchester County17.2+0.6 pts
45Richland County16.7+0.5 pts
46Berkeley County16.2+0.3 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

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. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

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Rank Counties in South Carolina by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"South Carolina","limit":10}
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Questions

Which county has the highest share of population aged 65 and over?

McCormick County, with 45.1% in 2025, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Berkeley County, with 16.2% in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in South Carolina: more rankings