
Allenwood
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 1.745
- State:
- New Jersey
Allenwood is a CDP located in Monmouth County, New Jersey. Allenwood has a 2025 population of 548. Allenwood is currently declining at a rate of -4.36% annually and its population has decreased by -36.06% since the most recent census, which recorded a population of 857 in 2020.
The average household income in Allenwood is $177,109 with a poverty rate of 5.27%. The median age in Allenwood is 44.9 years: 53.5 years for males, and 39.5 years for females.