
Neptune City
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 0.896
- State:
- New Jersey
Neptune City is a borough located in Monmouth County, New Jersey. Neptune City has a 2025 population of 4,561. Neptune City is currently declining at a rate of -0.22% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 4,611 in 2020.
The average household income in Neptune City is $99,568 with a poverty rate of 18.16%. The median age in Neptune City is 40.9 years: 41 years for males, and 40.8 years for females.