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 2020, at 29.7%. Charles County had the lowest, at 13.2%. The median was 17.4% and the figure for Maryland was 16%. Source: the U.S. Census Bureau.

Highest29.7Talbot County
Lowest13.2Charles County
Median17.424 counties
Maryland16History

All counties, 2020

CSVChart (SVG)

Talbot CountyTalbot County: 29.7 %29.7Worcester CountyWorcester County: 27.6 %27.6Kent CountyKent County: 27.4 %27.4Garrett CountyGarrett County: 23.6 %23.6Dorchester CountyDorchester County: 22.5 %22.5Allegany CountyAllegany County: 22 %22Queen Anne's CountyQueen Anne's County: 19.7 %19.7Somerset CountySomerset County: 18.6 %18.6Washington CountyWashington County: 18.1 %18.1Carroll CountyCarroll County: 17.9 %17.9Baltimore CountyBaltimore County: 17.7 %17.7Caroline CountyCaroline County: 17.4 %17.4Wicomico CountyWicomico County: 17.3 %17.3Harford CountyHarford County: 17 %17Cecil CountyCecil County: 16.7 %16.7Montgomery CountyMontgomery County: 16 %16Calvert CountyCalvert County: 16 %16Anne Arundel CountyAnne Arundel County: 15.3 %15.3Frederick CountyFrederick County: 15 %15Baltimore cityBaltimore city: 14.5 %14.5Howard CountyHoward County: 14.4 %14.4Prince George's CountyPrince George's County: 13.7 %13.7St. Mary's CountySt. Mary's County: 13.6 %13.6Charles CountyCharles County: 13.2 %13.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Talbot County29.7
2Worcester County27.6
3Kent County27.4
4Garrett County23.6
5Dorchester County22.5
6Allegany County22
7Queen Anne's County19.7
8Somerset County18.6
9Washington County18.1
10Carroll County17.9
11Baltimore County17.7
12Caroline County17.4
13Wicomico County17.3
14Harford County17
15Cecil County16.7
16Montgomery County16
17Calvert County16
18Anne Arundel County15.3
19Frederick County15
20Baltimore city14.5
21Howard County14.4
22Prince George's County13.7
23St. Mary's County13.6
24Charles County13.2

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 29.7% in 2020, according to the U.S. Census Bureau.

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

Charles County, with 13.2% in 2020.

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