2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mount Vernon | 1 | 2,598 | 2,495 | 0.81% | 603 | 4.31 | Town |
| Talco | 2 | 484 | 494 | -0.41% | 632 | 0.77 | City |
Mount Vernon is the largest city in Franklin County, with a population of 2,598.
Talco is the smallest city in Franklin County.
There are 2 cities in Franklin County, Texas.