Walpack township
- County:
- Sussex County
- County Seat:
- No
- Area (mi²):
- 24.171
- State:
- New Jersey
Walpack township is located in Sussex County, New Jersey. Walpack township has a 2026 population of 7. Walpack township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 7 in 2020.