Upper Stewartsville
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 0.35
- State:
- New Jersey
Upper Stewartsville is a CDP located in Warren County, New Jersey New Jersey. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Upper Stewartsville is 37.7 years: 37.6 years for males, and 56.1 years for females. For every 100 females there are 158.6 males.