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 2021, at 30%. Charles County had the lowest, at 13.6%. The median was 17.6% and the figure for Maryland was 16.4%. Source: the U.S. Census Bureau.

Highest30Talbot County
Lowest13.6Charles County
Median17.624 counties
Maryland16.4History

All counties, 2021

CSVChart (SVG)

Talbot CountyTalbot County: 30 %30Worcester CountyWorcester County: 27.9 %27.9Kent CountyKent County: 27.8 %27.8Garrett CountyGarrett County: 24 %24Dorchester CountyDorchester County: 23 %23Allegany CountyAllegany County: 22 %22Queen Anne's CountyQueen Anne's County: 20 %20Somerset CountySomerset County: 19.2 %19.2Washington CountyWashington County: 18.5 %18.5Carroll CountyCarroll County: 18.2 %18.2Baltimore CountyBaltimore County: 18 %18Wicomico CountyWicomico County: 17.7 %17.7Caroline CountyCaroline County: 17.6 %17.6Harford CountyHarford County: 17.4 %17.4Cecil CountyCecil County: 17.2 %17.2Montgomery CountyMontgomery County: 16.6 %16.6Calvert CountyCalvert County: 16.4 %16.4Anne Arundel CountyAnne Arundel County: 15.7 %15.7Frederick CountyFrederick County: 15.2 %15.2Howard CountyHoward County: 14.9 %14.9Baltimore cityBaltimore city: 14.9 %14.9Prince George's CountyPrince George's County: 14.2 %14.2St. Mary's CountySt. Mary's County: 13.9 %13.9Charles CountyCharles County: 13.6 %13.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2021 (%)Change on 2020
1Talbot County30+0.3 pts
2Worcester County27.9+0.2 pts
3Kent County27.8+0.4 pts
4Garrett County24+0.4 pts
5Dorchester County23+0.6 pts
6Allegany County220 pts
7Queen Anne's County20+0.4 pts
8Somerset County19.2+0.7 pts
9Washington County18.5+0.3 pts
10Carroll County18.2+0.3 pts
11Baltimore County18+0.3 pts
12Wicomico County17.7+0.4 pts
13Caroline County17.6+0.2 pts
14Harford County17.4+0.4 pts
15Cecil County17.2+0.5 pts
16Montgomery County16.6+0.6 pts
17Calvert County16.4+0.4 pts
18Anne Arundel County15.7+0.4 pts
19Frederick County15.2+0.2 pts
20Howard County14.9+0.4 pts
21Baltimore city14.9+0.3 pts
22Prince George's County14.2+0.5 pts
23St. Mary's County13.9+0.3 pts
24Charles County13.6+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

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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% in 2021, according to the U.S. Census Bureau.

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

Charles County, with 13.6% in 2021.

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