8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Farmington | 1 | 8,589 | 7,588 | 0.96% | 154 | 55.68 | Town |
| Jay | 2 | 4,654 | 4,621 | 0% | 96 | 48.38 | Town |
| Wilton | 3 | 3,884 | 3,832 | 0.15% | 94 | 41.26 | Town |
| New Sharon | 4 | 1,611 | 1,459 | 2.03% | 35 | 46.19 | Town |
| Chesterville | 5 | 1,386 | 1,332 | 0.73% | 38 | 36.18 | Town |
| Rangeley | 6 | 1,354 | 1,223 | 2.19% | 33 | 41.48 | Town |
| Strong | 7 | 1,124 | 1,120 | -0.09% | 40 | 28.35 | Town |
| Kingfield | 8 | 1,029 | 0 | 1.38% | 24 | 43.12 | Town |
Farmington is the largest city in Franklin County, with a population of 8,589.
Kingfield is the smallest city in Franklin County.
There are 8 cities in Franklin County, Maine.