Muncy
- County:
- Lycoming County
- County Seat:
- No
- Area (mi²):
- 0.844
- State:
- Pennsylvania
Muncy is a borough located in Lycoming County, Pennsylvania. Muncy has a 2026 population of 2,405. Muncy is currently declining at a rate of -0.21% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 2,440 in 2020.