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 2024, at 43.7%. Berkeley County had the lowest, at 15.9%. The median was 21.8% and the figure for South Carolina was 20.6%. Source: the U.S. Census Bureau.

Highest43.7McCormick County
Lowest15.9Berkeley County
Median21.846 counties
South Carolina20.6History

All counties, 2024

CSVChart (SVG)

McCormick CountyMcCormick County: 43.7 %43.7Georgetown CountyGeorgetown County: 32.9 %32.9Beaufort CountyBeaufort County: 30.4 %30.4Horry CountyHorry County: 29.2 %29.2Fairfield CountyFairfield County: 28.3 %28.3Clarendon CountyClarendon County: 27.2 %27.2Jasper CountyJasper County: 27 %27Calhoun CountyCalhoun County: 26.8 %26.8Oconee CountyOconee County: 26.6 %26.6Allendale CountyAllendale County: 26.4 %26.4Williamsburg CountyWilliamsburg County: 25.3 %25.3Bamberg CountyBamberg County: 24.5 %24.5Abbeville CountyAbbeville County: 24.4 %24.4Lee CountyLee County: 24.3 %24.3Marion CountyMarion County: 24.1 %24.1Union CountyUnion County: 23.6 %23.6Saluda CountySaluda County: 23.5 %23.5Colleton CountyColleton County: 23.2 %23.2Newberry CountyNewberry County: 22.7 %22.7Aiken CountyAiken County: 22.5 %22.5Lancaster CountyLancaster County: 22.5 %22.5Orangeburg CountyOrangeburg County: 22.4 %22.4Hampton CountyHampton County: 21.9 %21.9Darlington CountyDarlington County: 21.7 %21.7Barnwell CountyBarnwell County: 21.5 %21.5Greenwood CountyGreenwood County: 21.5 %21.5Edgefield CountyEdgefield County: 21 %21Chester CountyChester County: 21 %21Marlboro CountyMarlboro County: 20.7 %20.7Laurens CountyLaurens County: 20.7 %20.7Chesterfield CountyChesterfield County: 20.5 %20.5Kershaw CountyKershaw County: 20.1 %20.1Florence CountyFlorence County: 20 %20Anderson CountyAnderson County: 19.8 %19.8Dillon CountyDillon County: 19.8 %19.8Sumter CountySumter County: 19.7 %19.7Cherokee CountyCherokee County: 19.2 %19.2Charleston CountyCharleston County: 19.1 %19.1Lexington CountyLexington County: 18.9 %18.9Pickens CountyPickens County: 18.8 %18.8Greenville CountyGreenville County: 18.2 %18.2Spartanburg CountySpartanburg County: 17.3 %17.3York CountyYork County: 16.9 %16.9Dorchester CountyDorchester County: 16.7 %16.7Richland CountyRichland County: 16.3 %16.3Berkeley CountyBerkeley County: 15.9 %15.9
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1McCormick County43.7+1.5 pts
2Georgetown County32.9+0.7 pts
3Beaufort County30.4+0.5 pts
4Horry County29.2+0.6 pts
5Fairfield County28.3+0.9 pts
6Clarendon County27.2+0.7 pts
7Jasper County27+0.7 pts
8Calhoun County26.8+0.5 pts
9Oconee County26.6+0.6 pts
10Allendale County26.4+0.9 pts
11Williamsburg County25.3+0.8 pts
12Bamberg County24.5+0.3 pts
13Abbeville County24.4+0.6 pts
14Lee County24.3+0.7 pts
15Marion County24.1+0.6 pts
16Union County23.6+0.5 pts
17Saluda County23.5+0.4 pts
18Colleton County23.2+0.4 pts
19Newberry County22.7+0.5 pts
20Aiken County22.5+0.4 pts
21Lancaster County22.5+0.2 pts
22Orangeburg County22.4+0.4 pts
23Hampton County21.9+0.2 pts
24Darlington County21.7+0.3 pts
25Barnwell County21.5+0.5 pts
26Greenwood County21.5+0.4 pts
27Edgefield County21+0.5 pts
28Chester County21+0.3 pts
29Marlboro County20.7+0.6 pts
30Laurens County20.7+0.2 pts
31Chesterfield County20.5+0.3 pts
32Kershaw County20.1+0.2 pts
33Florence County20+0.4 pts
34Anderson County19.8+0.3 pts
35Dillon County19.8+0.3 pts
36Sumter County19.7+0.6 pts
37Cherokee County19.2+0.2 pts
38Charleston County19.1+0.3 pts
39Lexington County18.9+0.4 pts
40Pickens County18.8+0.4 pts
41Greenville County18.2+0.3 pts
42Spartanburg County17.3+0.2 pts
43York County16.9+0.4 pts
44Dorchester County16.7+0.3 pts
45Richland County16.3+0.4 pts
46Berkeley County15.9+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.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

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}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=South%20Carolina&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

McCormick County, with 43.7% in 2024, according to the U.S. Census Bureau.

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

Berkeley County, with 15.9% in 2024.

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