# Counties in Maine by share of population aged 65 and over, 2025

All 16 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_65_plus_share`
- Unit: %
- 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.
- Source: 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
- Citation: 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.
- Web page: https://invokely.ai/rankings/population-65-plus/maine-counties
- CSV: https://invokely.ai/download/rankings/population-65-plus/maine-counties.csv

| Rank | Place | % |
|---:|---|---:|
| 1 | Lincoln County | 32.7 |
| 2 | Knox County | 30.5 |
| 3 | Piscataquis County | 29.9 |
| 4 | Hancock County | 29.7 |
| 5 | Washington County | 28.5 |
| 6 | Waldo County | 27.9 |
| 7 | Aroostook County | 27.5 |
| 8 | Sagadahoc County | 27.5 |
| 9 | Franklin County | 26.3 |
| 10 | Oxford County | 25.9 |
| 11 | York County | 25.1 |
| 12 | Somerset County | 24.7 |
| 13 | Kennebec County | 23.3 |
| 14 | Cumberland County | 22.5 |
| 15 | Penobscot County | 22 |
| 16 | Androscoggin County | 20 |