2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mount Vernon | 1 | 2,627 | 2,494 | 1% | 609 | 4 | Town |
| Talco | 2 | 485 | 494 | -0.41% | 633 | 1 | City |
Mount Vernon is the largest city in Franklin County, with a population of 2,627.
Talco is the smallest city in Franklin County, with a population of 485.
There are 2 cities in Franklin County, Texas.