# Counties in Maine by population density, 2025

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

- Indicator id: `population_density`
- Unit: inhabitants per km²
- Definition: Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.
- Source: U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km² (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/population-density/maine-counties
- CSV: https://invokely.ai/download/rankings/population-density/maine-counties.csv

| Rank | Place | inhabitants per km² |
|---:|---|---:|
| 1 | Cumberland County | 146.5 |
| 2 | Androscoggin County | 96.1 |
| 3 | York County | 86.6 |
| 4 | Sagadahoc County | 57.7 |
| 5 | Kennebec County | 57.4 |
| 6 | Knox County | 43.5 |
| 7 | Lincoln County | 31 |
| 8 | Waldo County | 21.5 |
| 9 | Penobscot County | 18 |
| 10 | Hancock County | 13.9 |
| 11 | Oxford County | 11.2 |
| 12 | Franklin County | 7 |
| 13 | Somerset County | 5.1 |
| 14 | Washington County | 4.7 |
| 15 | Aroostook County | 3.9 |
| 16 | Piscataquis County | 1.7 |