Allenwood is an unincorporated community and census-designated place (CDP)[11] in Wall Township, Monmouth County, New Jersey, United States.

[4] Allenwood is in southeastern Monmouth County, in the southern part of Wall Township.

The community has a roughly triangular shape, with the northeastern side following New Jersey Route 34 and the northwest one following the Garden State Parkway.

Point Pleasant Beach on the Atlantic Ocean is 5 miles (8 km) to the southeast via NJ 34.

[2] The 2010 United States census counted 925 people, 309 households, and 259 families in the CDP.

Of all households, 12.9% were made up of individuals and 6.8% had someone living alone who was 65 years of age or older.

[15] As of the 2000 United States census[8] there were 935 people, 309 households, and 261 families living in the CDP.