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 2022, at 30.7%. Androscoggin County had the lowest, at 19.2%. The median was 24.9% and the figure for Maine was 23%. Source: the U.S. Census Bureau.

Highest30.7Lincoln County
Lowest19.2Androscoggin County
Median24.916 counties
Maine23History

All counties, 2022

CSVChart (SVG)

Lincoln CountyLincoln County: 30.7 %30.7Knox CountyKnox County: 28.7 %28.7Piscataquis CountyPiscataquis County: 28.1 %28.1Hancock CountyHancock County: 27.9 %27.9Washington CountyWashington County: 27.3 %27.3Aroostook CountyAroostook County: 26.2 %26.2Waldo CountyWaldo County: 25.9 %25.9Sagadahoc CountySagadahoc County: 25.3 %25.3Franklin CountyFranklin County: 24.4 %24.4Oxford CountyOxford County: 24 %24Somerset CountySomerset County: 23.2 %23.2York CountyYork County: 23 %23Kennebec CountyKennebec County: 21.9 %21.9Cumberland CountyCumberland County: 20.9 %20.9Penobscot CountyPenobscot County: 20.6 %20.6Androscoggin CountyAndroscoggin County: 19.2 %19.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2022 (%)Change on 2021
1Lincoln County30.7+0.6 pts
2Knox County28.7+0.9 pts
3Piscataquis County28.1+0.7 pts
4Hancock County27.9+0.9 pts
5Washington County27.3+0.5 pts
6Aroostook County26.2+0.3 pts
7Waldo County25.9+0.7 pts
8Sagadahoc County25.3+0.8 pts
9Franklin County24.4+0.5 pts
10Oxford County24+0.6 pts
11Somerset County23.2+0.4 pts
12York County23+0.8 pts
13Kennebec County21.9+0.3 pts
14Cumberland County20.9+0.6 pts
15Penobscot County20.6+0.4 pts
16Androscoggin County19.2+0.3 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 30.7% in 2022, according to the U.S. Census Bureau.

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

Androscoggin County, with 19.2% in 2022.

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