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 2023, at 31.2%. Androscoggin County had the lowest, at 19.6%. The median was 25.5% and the figure for Maine was 23.5%. Source: the U.S. Census Bureau.

Highest31.2Lincoln County
Lowest19.6Androscoggin County
Median25.516 counties
Maine23.5History

All counties, 2023

CSVChart (SVG)

Lincoln CountyLincoln County: 31.2 %31.2Knox CountyKnox County: 29.3 %29.3Piscataquis CountyPiscataquis County: 28.6 %28.6Hancock CountyHancock County: 28.6 %28.6Washington CountyWashington County: 27.8 %27.8Waldo CountyWaldo County: 26.6 %26.6Aroostook CountyAroostook County: 26.5 %26.5Sagadahoc CountySagadahoc County: 26 %26Franklin CountyFranklin County: 25.1 %25.1Oxford CountyOxford County: 24.6 %24.6Somerset CountySomerset County: 23.8 %23.8York CountyYork County: 23.7 %23.7Kennebec CountyKennebec County: 22.3 %22.3Cumberland CountyCumberland County: 21.5 %21.5Penobscot CountyPenobscot County: 21 %21Androscoggin CountyAndroscoggin County: 19.6 %19.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Lincoln County31.2+0.5 pts
2Knox County29.3+0.6 pts
3Piscataquis County28.6+0.5 pts
4Hancock County28.6+0.7 pts
5Washington County27.8+0.6 pts
6Waldo County26.6+0.7 pts
7Aroostook County26.5+0.4 pts
8Sagadahoc County26+0.7 pts
9Franklin County25.1+0.7 pts
10Oxford County24.6+0.6 pts
11Somerset County23.8+0.7 pts
12York County23.7+0.8 pts
13Kennebec County22.3+0.4 pts
14Cumberland County21.5+0.6 pts
15Penobscot County21+0.3 pts
16Androscoggin County19.6+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

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 31.2% in 2023, according to the U.S. Census Bureau.

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

Androscoggin County, with 19.6% in 2023.

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