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

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

McCormick County had the highest share of population aged 65 and over of 46 counties in 2023, at 42.2%. Berkeley County had the lowest, at 15.6%. The median was 21.5% and the figure for South Carolina was 20.2%. Source: the U.S. Census Bureau.

Highest42.2McCormick County
Lowest15.6Berkeley County
Median21.546 counties
South Carolina20.2History

All counties, 2023

CSVChart (SVG)

McCormick CountyMcCormick County: 42.2 %42.2Georgetown CountyGeorgetown County: 32.2 %32.2Beaufort CountyBeaufort County: 29.9 %29.9Horry CountyHorry County: 28.6 %28.6Fairfield CountyFairfield County: 27.4 %27.4Clarendon CountyClarendon County: 26.5 %26.5Calhoun CountyCalhoun County: 26.3 %26.3Jasper CountyJasper County: 26.3 %26.3Oconee CountyOconee County: 26.1 %26.1Allendale CountyAllendale County: 25.6 %25.6Williamsburg CountyWilliamsburg County: 24.5 %24.5Bamberg CountyBamberg County: 24.2 %24.2Abbeville CountyAbbeville County: 23.8 %23.8Lee CountyLee County: 23.6 %23.6Marion CountyMarion County: 23.5 %23.5Union CountyUnion County: 23.1 %23.1Saluda CountySaluda County: 23.1 %23.1Colleton CountyColleton County: 22.8 %22.8Lancaster CountyLancaster County: 22.2 %22.2Newberry CountyNewberry County: 22.2 %22.2Aiken CountyAiken County: 22.1 %22.1Orangeburg CountyOrangeburg County: 22.1 %22.1Hampton CountyHampton County: 21.7 %21.7Darlington CountyDarlington County: 21.4 %21.4Greenwood CountyGreenwood County: 21 %21Barnwell CountyBarnwell County: 21 %21Chester CountyChester County: 20.7 %20.7Laurens CountyLaurens County: 20.5 %20.5Edgefield CountyEdgefield County: 20.5 %20.5Chesterfield CountyChesterfield County: 20.2 %20.2Marlboro CountyMarlboro County: 20.1 %20.1Kershaw CountyKershaw County: 19.9 %19.9Florence CountyFlorence County: 19.6 %19.6Anderson CountyAnderson County: 19.6 %19.6Dillon CountyDillon County: 19.5 %19.5Sumter CountySumter County: 19.2 %19.2Cherokee CountyCherokee County: 19 %19Charleston CountyCharleston County: 18.7 %18.7Lexington CountyLexington County: 18.5 %18.5Pickens CountyPickens County: 18.4 %18.4Greenville CountyGreenville County: 17.9 %17.9Spartanburg CountySpartanburg County: 17.1 %17.1York CountyYork County: 16.5 %16.5Dorchester CountyDorchester County: 16.3 %16.3Richland CountyRichland County: 15.9 %15.9Berkeley CountyBerkeley County: 15.6 %15.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1McCormick County42.2+1.8 pts
2Georgetown County32.2+0.7 pts
3Beaufort County29.9+0.5 pts
4Horry County28.6+0.6 pts
5Fairfield County27.4+1 pts
6Clarendon County26.5+0.7 pts
7Calhoun County26.3+0.5 pts
8Jasper County26.3+1.1 pts
9Oconee County26.1+0.5 pts
10Allendale County25.6+0.4 pts
11Williamsburg County24.5+0.9 pts
12Bamberg County24.2+0.1 pts
13Abbeville County23.8+0.3 pts
14Lee County23.6+0.8 pts
15Marion County23.5+0.4 pts
16Union County23.1+0.6 pts
17Saluda County23.1+0.3 pts
18Colleton County22.8+0.4 pts
19Lancaster County22.2-0 pts
20Newberry County22.2+0.2 pts
21Aiken County22.1+0.4 pts
22Orangeburg County22.1+0.3 pts
23Hampton County21.7+0.5 pts
24Darlington County21.4+0.5 pts
25Greenwood County21+0.5 pts
26Barnwell County21+0.7 pts
27Chester County20.7+0.3 pts
28Laurens County20.5+0.2 pts
29Edgefield County20.50 pts
30Chesterfield County20.2+0.3 pts
31Marlboro County20.1+0.4 pts
32Kershaw County19.9+0.1 pts
33Florence County19.6+0.4 pts
34Anderson County19.6+0.3 pts
35Dillon County19.5+0.3 pts
36Sumter County19.2+0.4 pts
37Cherokee County19+0.3 pts
38Charleston County18.7+0.4 pts
39Lexington County18.5+0.4 pts
40Pickens County18.4+0.3 pts
41Greenville County17.9+0.3 pts
42Spartanburg County17.1+0.1 pts
43York County16.5+0.4 pts
44Dorchester County16.3+0.4 pts
45Richland County15.9+0.5 pts
46Berkeley County15.6+0.2 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.

Use this data in your AI agent

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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 42.2% in 2023, according to the U.S. Census Bureau.

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

Berkeley County, with 15.6% in 2023.

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