Population aged 65 and over in St. Mary's County

Population aged 65 and over in St. Mary's County was 16% in 2025, according to the U.S. Census Bureau. That is up 0.5 pts from 2024. That is the 23rd highest of 24 counties in 2025.

202516%
Change on 2024+0.5 pts
Series high162025
Series low13.62020

Population aged 65 and over in St. Mary's County, 2020 to 2025

CSVChart (SVG)

13.51414.51515.51616.52020202120222023202420252020: 13.6 %2021: 13.9 %2022: 14.4 %2023: 15 %2024: 15.5 %2025: 16 %
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09, published 2026-06-25.
All 6 values
Period%
202516
202415.5
202315
202214.4
202113.9
202013.6

Compared with Maryland and United States

Place2025
St. Mary's County16
Maryland18.4
United States18.9

Rankings

Definition

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.

How it is calculated

Invokely calculation: residents aged 65 and over divided by total population for the same year and place. Spain: both from the INE annual census. United States: Census Bureau county estimates by age; states and the nation are sums of their counties.

Inputs

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:

What is the latest share of population aged 65 and over in St. Mary's County? Cite the source.
get_value {"indicator":"population_65_plus_share","place":"us-county-24037"}
GET https://invokely.ai/api/v1/value?indicator=population_65_plus_share&place=us-county-24037

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Questions

What is the share of population aged 65 and over in St. Mary's County?

Population aged 65 and over in St. Mary's County was 16% in 2025, according to the U.S. Census Bureau. That is up 0.5 pts from 2024. That is the 23rd highest of 24 counties in 2025.

Where does this figure come from?

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 by Invokely on 2026-10-09.

What was the highest share of population aged 65 and over in St. Mary's County?

16% in 2025, the highest value since 2020 in this series.

More statistics for St. Mary's County

All statistics for St. Mary's County