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 2022, at 40.4%. Richland County had the lowest, at 15.4%. The median was 21% and the figure for South Carolina was 19.8%. Source: the U.S. Census Bureau.

Highest40.4McCormick County
Lowest15.4Richland County
Median2146 counties
South Carolina19.8History

All counties, 2022

CSVChart (SVG)

McCormick CountyMcCormick County: 40.4 %40.4Georgetown CountyGeorgetown County: 31.6 %31.6Beaufort CountyBeaufort County: 29.4 %29.4Horry CountyHorry County: 28 %28Fairfield CountyFairfield County: 26.3 %26.3Calhoun CountyCalhoun County: 25.8 %25.8Clarendon CountyClarendon County: 25.8 %25.8Oconee CountyOconee County: 25.6 %25.6Jasper CountyJasper County: 25.3 %25.3Allendale CountyAllendale County: 25.2 %25.2Bamberg CountyBamberg County: 24 %24Williamsburg CountyWilliamsburg County: 23.6 %23.6Abbeville CountyAbbeville County: 23.5 %23.5Marion CountyMarion County: 23.1 %23.1Lee CountyLee County: 22.9 %22.9Saluda CountySaluda County: 22.8 %22.8Union CountyUnion County: 22.5 %22.5Colleton CountyColleton County: 22.5 %22.5Lancaster CountyLancaster County: 22.3 %22.3Newberry CountyNewberry County: 22 %22Orangeburg CountyOrangeburg County: 21.8 %21.8Aiken CountyAiken County: 21.7 %21.7Hampton CountyHampton County: 21.1 %21.1Darlington CountyDarlington County: 20.9 %20.9Greenwood CountyGreenwood County: 20.5 %20.5Edgefield CountyEdgefield County: 20.5 %20.5Chester CountyChester County: 20.4 %20.4Laurens CountyLaurens County: 20.3 %20.3Barnwell CountyBarnwell County: 20.3 %20.3Chesterfield CountyChesterfield County: 20 %20Kershaw CountyKershaw County: 19.8 %19.8Marlboro CountyMarlboro County: 19.7 %19.7Anderson CountyAnderson County: 19.3 %19.3Florence CountyFlorence County: 19.3 %19.3Dillon CountyDillon County: 19.2 %19.2Sumter CountySumter County: 18.8 %18.8Cherokee CountyCherokee County: 18.6 %18.6Charleston CountyCharleston County: 18.3 %18.3Lexington CountyLexington County: 18.1 %18.1Pickens CountyPickens County: 18.1 %18.1Greenville CountyGreenville County: 17.6 %17.6Spartanburg CountySpartanburg County: 17 %17York CountyYork County: 16.1 %16.1Dorchester CountyDorchester County: 15.9 %15.9Berkeley CountyBerkeley County: 15.4 %15.4Richland CountyRichland County: 15.4 %15.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2022 (%)Change on 2021
1McCormick County40.4+2.5 pts
2Georgetown County31.6+1 pts
3Beaufort County29.4+0.6 pts
4Horry County28+0.4 pts
5Fairfield County26.3+0.9 pts
6Calhoun County25.8+0.5 pts
7Clarendon County25.8+0.4 pts
8Oconee County25.6+0.6 pts
9Jasper County25.3+1.2 pts
10Allendale County25.2+1.4 pts
11Bamberg County24+0.6 pts
12Williamsburg County23.6+0.6 pts
13Abbeville County23.5+0.3 pts
14Marion County23.1+0.9 pts
15Lee County22.9+0.8 pts
16Saluda County22.8+0.1 pts
17Union County22.5+0.7 pts
18Colleton County22.5+0.2 pts
19Lancaster County22.3-0.1 pts
20Newberry County22+0.4 pts
21Orangeburg County21.8+0.3 pts
22Aiken County21.7+0.4 pts
23Hampton County21.1+0.4 pts
24Darlington County20.9+0.5 pts
25Greenwood County20.5+0.4 pts
26Edgefield County20.5+0.2 pts
27Chester County20.4+0.4 pts
28Laurens County20.3+0.5 pts
29Barnwell County20.3+0.7 pts
30Chesterfield County20+0.2 pts
31Kershaw County19.8+0.1 pts
32Marlboro County19.7+0.5 pts
33Anderson County19.3+0.3 pts
34Florence County19.3+0.4 pts
35Dillon County19.2+0.4 pts
36Sumter County18.8+0.6 pts
37Cherokee County18.6+0.4 pts
38Charleston County18.3+0.4 pts
39Lexington County18.1+0.5 pts
40Pickens County18.1+0.3 pts
41Greenville County17.6+0.2 pts
42Spartanburg County17+0.1 pts
43York County16.1+0.4 pts
44Dorchester County15.9+0.4 pts
45Berkeley County15.4+0.4 pts
46Richland County15.4+0.4 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

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Questions

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

McCormick County, with 40.4% in 2022, according to the U.S. Census Bureau.

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

Richland County, with 15.4% in 2022.

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