
Oldwick
- County:
- Hunterdon County
- County Seat:
- No
- Area (mi²):
- 1.798
- State:
- New Jersey
Oldwick is a CDP located in Hunterdon County, New Jersey. Oldwick has a 2025 population of 417. Oldwick is currently growing at a rate of 6.92% annually and its population has increased by 28.31% since the most recent census, which recorded a population of 325 in 2020.
The average household income in Oldwick is $118,633 with a poverty rate of 26.01%. The median age in Oldwick is 66.3 years: 72.8 years for males, and 63.8 years for females.