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

Counties in Maine by share of population aged 65 and over

Lincoln County had the highest share of population aged 65 and over of 16 counties in 2024, at 31.9%. Androscoggin County had the lowest, at 19.8%. The median was 26.2% and the figure for Maine was 24%. Source: the U.S. Census Bureau.

Highest31.9Lincoln County
Lowest19.8Androscoggin County
Median26.216 counties
Maine24History

All counties, 2024

CSVChart (SVG)

Lincoln CountyLincoln County: 31.9 %31.9Knox CountyKnox County: 30.1 %30.1Piscataquis CountyPiscataquis County: 29.1 %29.1Hancock CountyHancock County: 29 %29Washington CountyWashington County: 28.2 %28.2Waldo CountyWaldo County: 27.2 %27.2Aroostook CountyAroostook County: 26.9 %26.9Sagadahoc CountySagadahoc County: 26.8 %26.8Franklin CountyFranklin County: 25.7 %25.7Oxford CountyOxford County: 25.2 %25.2York CountyYork County: 24.4 %24.4Somerset CountySomerset County: 24.2 %24.2Kennebec CountyKennebec County: 22.8 %22.8Cumberland CountyCumberland County: 22 %22Penobscot CountyPenobscot County: 21.5 %21.5Androscoggin CountyAndroscoggin County: 19.8 %19.8
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1Lincoln County31.9+0.7 pts
2Knox County30.1+0.7 pts
3Piscataquis County29.1+0.5 pts
4Hancock County29+0.5 pts
5Washington County28.2+0.4 pts
6Waldo County27.2+0.6 pts
7Aroostook County26.9+0.4 pts
8Sagadahoc County26.8+0.8 pts
9Franklin County25.7+0.6 pts
10Oxford County25.2+0.5 pts
11York County24.4+0.7 pts
12Somerset County24.2+0.4 pts
13Kennebec County22.8+0.5 pts
14Cumberland County22+0.5 pts
15Penobscot County21.5+0.5 pts
16Androscoggin County19.8+0.2 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 Maine 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":"Maine","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Maine&limit=10

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Questions

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

Lincoln County, with 31.9% in 2024, according to the U.S. Census Bureau.

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

Androscoggin County, with 19.8% in 2024.

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 Maine: more rankings