Mount Vernon
- County:
- Franklin County
- County Seat:
- Yes
- Area (mi²):
- 4.312
- State:
- Texas
Mount Vernon is a town located in Franklin County, Texas. Mount Vernon has a 2026 population of 2,601. It is also the county seat of Franklin County. Mount Vernon is currently growing at a rate of 1.68% annually and its population has increased by 4.29% since the most recent census, which recorded a population of 2,494 in 2020.