Louisburg
- County:
- Franklin County
- County Seat:
- Yes
- Area (mi²):
- 3.118
- State:
- North Carolina
Louisburg is a town located in Franklin County, North Carolina. Louisburg has a 2026 population of 3,423. It is also the county seat of Franklin County. Louisburg is currently growing at a rate of 2.49% annually and its population has increased by 9.4% since the most recent census, which recorded a population of 3,129 in 2020.