16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lewiston | 1 | 39,187 | 37,110 | 1.07% | 1,148 | 34 | City |
| Lewiston | 2 | 38,835 | 37,110 | 0.16% | 1,137 | 34 | City |
| Auburn | 3 | 25,478 | 24,086 | 1.1% | 429 | 59 | City |
| Auburn | 4 | 25,411 | 24,086 | 0.84% | 428 | 59 | City |
| Lisbon | 5 | 9,847 | 9,727 | 0.34% | 431 | 23 | Town |
| Turner | 6 | 6,102 | 5,821 | 1.48% | 103 | 59 | Town |
| Poland | 7 | 6,042 | 5,906 | 0.53% | 143 | 42 | Town |
| Sabattus | 8 | 5,275 | 5,041 | 1.19% | 205 | 26 | Town |
| Greene | 9 | 4,541 | 4,377 | 1.09% | 141 | 32 | Town |
| Durham | 10 | 4,404 | 4,182 | 1.13% | 115 | 38 | Town |
| Mechanic Falls | 11 | 3,245 | 3,108 | 1.53% | 295 | 11 | Town |
| Livermore Falls | 12 | 3,222 | 3,061 | 1.54% | 164 | 20 | Town |
| Minot | 13 | 2,847 | 2,770 | 0.74% | 96 | 30 | Town |
| Leeds | 14 | 2,410 | 2,263 | 2.03% | 60 | 40 | Town |
| Livermore | 15 | 2,211 | 2,127 | 0.96% | 59 | 38 | Town |
| Wales | 16 | 1,675 | 1,599 | 1.15% | 105 | 16 | Town |
Lewiston is the largest city in Androscoggin County, with a population of 39,187.
Wales is the smallest city in Androscoggin County, with a population of 1,675.
There are 16 cities in Androscoggin County, Maine.