Waldwick
- County:
- Bergen County
- County Seat:
- No
- Area (mi²):
- 2.046
- State:
- New Jersey
Waldwick is a borough located in Bergen County, New Jersey. Waldwick has a 2026 population of 10,308. Waldwick is currently growing at a rate of 1.08% annually and its population has increased by 2.2% since the most recent census, which recorded a population of 10,086 in 2020.