# Cities in Maine by population, 2025

All 11 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. Iceland and its municipalities: Statistics Iceland, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship. UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.
- Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population/maine-cities

| Rank | Place | persons |
|---:|---|---:|
| 1 | Portland, ME | 69,911 |
| 2 | Lewiston, ME | 38,866 |
| 3 | Bangor, ME | 32,518 |
| 4 | South Portland, ME | 27,007 |
| 5 | Auburn, ME | 25,441 |
| 6 | Sanford, ME | 22,663 |
| 7 | Biddeford, ME | 22,399 |
| 8 | Westbrook, ME | 21,565 |
| 9 | Saco, ME | 21,159 |
| 10 | Augusta, ME | 19,155 |
| 11 | Waterville, ME | 17,579 |