
Grenloch
- County:
- Gloucester County
- County Seat:
- No
- Area (mi²):
- 0.759
- State:
- New Jersey
Grenloch is a CDP located in Gloucester County, New Jersey. Grenloch has a 2025 population of 810. Grenloch is currently growing at a rate of 7.14% annually but its population has decreased by -7.64% since the most recent census, which recorded a population of 877 in 2020.
The average household income in Grenloch is $140,970 with a poverty rate of 5.35%. The median age in Grenloch is 53.2 years: 48.1 years for males, and 57.4 years for females.