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

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

Talbot County had the highest share of population aged 65 and over of 24 counties in 2025, at 32%. Charles County had the lowest, at 15.4%. The median was 19.5% and the figure for Maryland was 18.4%. Source: the U.S. Census Bureau.

Highest32Talbot County
Lowest15.4Charles County
Median19.524 counties
Maryland18.4History

All counties, 2025

CSVChart (SVG)

Talbot CountyTalbot County: 32 %32Kent CountyKent County: 30.3 %30.3Worcester CountyWorcester County: 30.1 %30.1Garrett CountyGarrett County: 26.9 %26.9Dorchester CountyDorchester County: 24.9 %24.9Allegany CountyAllegany County: 23.5 %23.5Queen Anne's CountyQueen Anne's County: 23.2 %23.2Carroll CountyCarroll County: 20.2 %20.2Somerset CountySomerset County: 20.2 %20.2Baltimore CountyBaltimore County: 19.9 %19.9Washington CountyWashington County: 19.8 %19.8Harford CountyHarford County: 19.7 %19.7Cecil CountyCecil County: 19.3 %19.3Caroline CountyCaroline County: 19.3 %19.3Wicomico CountyWicomico County: 19.1 %19.1Calvert CountyCalvert County: 18.8 %18.8Montgomery CountyMontgomery County: 18.7 %18.7Anne Arundel CountyAnne Arundel County: 17.6 %17.6Howard CountyHoward County: 17.2 %17.2Frederick CountyFrederick County: 16.8 %16.8Baltimore cityBaltimore city: 16.4 %16.4Prince George's CountyPrince George's County: 16.2 %16.2St. Mary's CountySt. Mary's County: 16 %16Charles CountyCharles County: 15.4 %15.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2025 (%)Change on 2024
1Talbot County32+0.8 pts
2Kent County30.3+0.5 pts
3Worcester County30.1+0.6 pts
4Garrett County26.9+0.8 pts
5Dorchester County24.9+0.2 pts
6Allegany County23.5+0.6 pts
7Queen Anne's County23.2+0.8 pts
8Carroll County20.2+0.6 pts
9Somerset County20.2+0.3 pts
10Baltimore County19.9+0.5 pts
11Washington County19.8+0.4 pts
12Harford County19.7+0.6 pts
13Cecil County19.3+0.6 pts
14Caroline County19.3+0.6 pts
15Wicomico County19.1+0.3 pts
16Calvert County18.8+0.7 pts
17Montgomery County18.7+0.6 pts
18Anne Arundel County17.6+0.5 pts
19Howard County17.2+0.6 pts
20Frederick County16.8+0.5 pts
21Baltimore city16.4+0.3 pts
22Prince George's County16.2+0.5 pts
23St. Mary's County16+0.5 pts
24Charles County15.4+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 32% in 2025, according to the U.S. Census Bureau.

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

Charles County, with 15.4% 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 Maryland: more rankings