Data / Rankings / Population aged 65 and over / Counties in Maryland

Counties in Maryland by share of population aged 65 and over

Talbot County had the highest share of population aged 65 and over of 24 counties in 2023, at 30.8%. Charles County had the lowest, at 14.5%. The median was 18.5% and the figure for Maryland was 17.4%. Source: the U.S. Census Bureau.

Highest30.8Talbot County
Lowest14.5Charles County
Median18.524 counties
Maryland17.4History

All counties, 2023

CSVChart (SVG)

Talbot CountyTalbot County: 30.8 %30.8Kent CountyKent County: 29.2 %29.2Worcester CountyWorcester County: 29 %29Garrett CountyGarrett County: 25.5 %25.5Dorchester CountyDorchester County: 24.1 %24.1Allegany CountyAllegany County: 22.5 %22.5Queen Anne's CountyQueen Anne's County: 21.6 %21.6Somerset CountySomerset County: 19.7 %19.7Washington CountyWashington County: 19.2 %19.2Baltimore CountyBaltimore County: 19 %19Carroll CountyCarroll County: 19 %19Harford CountyHarford County: 18.5 %18.5Wicomico CountyWicomico County: 18.5 %18.5Caroline CountyCaroline County: 18.4 %18.4Cecil CountyCecil County: 18.2 %18.2Montgomery CountyMontgomery County: 17.7 %17.7Calvert CountyCalvert County: 17.4 %17.4Anne Arundel CountyAnne Arundel County: 16.6 %16.6Howard CountyHoward County: 16 %16Frederick CountyFrederick County: 15.8 %15.8Baltimore cityBaltimore city: 15.7 %15.7Prince George's CountyPrince George's County: 15.3 %15.3St. Mary's CountySt. Mary's County: 15 %15Charles CountyCharles County: 14.5 %14.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Talbot County30.8+0.5 pts
2Kent County29.2+0.6 pts
3Worcester County29+0.6 pts
4Garrett County25.5+0.8 pts
5Dorchester County24.1+0.6 pts
6Allegany County22.5+0.2 pts
7Queen Anne's County21.6+0.8 pts
8Somerset County19.70 pts
9Washington County19.2+0.4 pts
10Baltimore County19+0.5 pts
11Carroll County19+0.4 pts
12Harford County18.5+0.6 pts
13Wicomico County18.5+0.4 pts
14Caroline County18.4+0.5 pts
15Cecil County18.2+0.6 pts
16Montgomery County17.7+0.5 pts
17Calvert County17.4+0.6 pts
18Anne Arundel County16.6+0.5 pts
19Howard County16+0.5 pts
20Frederick County15.8+0.4 pts
21Baltimore city15.7+0.4 pts
22Prince George's County15.3+0.5 pts
23St. Mary's County15+0.6 pts
24Charles County14.5+0.5 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 Maryland 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":"Maryland","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Maryland&limit=10

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Questions

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

Talbot County, with 30.8% in 2023, according to the U.S. Census Bureau.

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

Charles County, with 14.5% 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 Maryland: more rankings