
North Middletown
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 0.434
- State:
- New Jersey
North Middletown is a CDP located in Monmouth County, New Jersey. North Middletown has a 2025 population of 3,124. North Middletown is currently declining at a rate of -0.35% annually but its population has increased by 17.8% since the most recent census, which recorded a population of 2,652 in 2020.
The average household income in North Middletown is $144,576 with a poverty rate of 2.82%. The median age in North Middletown is 36.6 years: 33.9 years for males, and 41 years for females.