Founded in 1875, Franklin County is one of 254 counties in the state of Texas. Historically, Franklin County was formed from Titus County. The city of Mount Vernon is the county seat. With FIPS code of 159, Franklin County has a population of 10,464 and area of 286 square miles (741 km2).
List of all cities in Franklin County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Mount Vernon, TX | 75457 | 903/430 |
| Scroggins, TX | 75480 | 903/430 |
| Talco, TX | 75487 | 903/430 |