New Monmouth is an unincorporated area within Middletown Township in Monmouth County, New Jersey, United States. The area is served as United States Postal Service ZIP code 07748.
As of the 2000 United States Census, the population for ZIP Code Tabulation Area 07748 was 28,689.
The public New Monmouth Elementary School and the parochial Mater Dei High School are located in New Monmouth.