
Penns Grove
- County:
- Salem County
- County Seat:
- No
- Area (mi²):
- 0.893
- State:
- New Jersey
Penns Grove is a borough located in Salem County, New Jersey. Penns Grove has a 2025 population of 4,879. Penns Grove is currently growing at a rate of 0.14% annually and its population has increased by 0.74% since the most recent census, which recorded a population of 4,843 in 2020.
The average household income in Penns Grove is $57,733 with a poverty rate of 36.29%. The median age in Penns Grove is 26.1 years: 20.1 years for males, and 32.8 years for females.