
Wanamassa
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 1.114
- State:
- New Jersey
Wanamassa is a CDP located in Monmouth County, New Jersey. Wanamassa has a 2025 population of 4,297. Wanamassa is currently declining at a rate of -0.37% annually and its population has decreased by -7.83% since the most recent census, which recorded a population of 4,662 in 2020.
The average household income in Wanamassa is $161,146 with a poverty rate of 6.54%. The median age in Wanamassa is 43.4 years: 43.1 years for males, and 44.8 years for females.