Franklin
- County:
- Venango County
- County Seat:
- Yes
- Area (mi²):
- 4.677
- State:
- Pennsylvania
Franklin is a city located in Venango County, Pennsylvania. Franklin has a 2026 population of 5,933. It is also the county seat of Venango County. Franklin is currently declining at a rate of -0.05% annually and its population has decreased by -2.16% since the most recent census, which recorded a population of 6,064 in 2020.