Langhorne
- County:
- Bucks County
- County Seat:
- No
- Area (mi²):
- 0.492
- State:
- Pennsylvania
Langhorne is a borough located in Bucks County, Pennsylvania. Langhorne has a 2026 population of 1,634. Langhorne is currently growing at a rate of 0.18% annually but its population has decreased by -0.37% since the most recent census, which recorded a population of 1,640 in 2020.