
Newton
- County:
- Sussex County
- County Seat:
- No
- Area (mi²):
- 3.36
- State:
- New Jersey
Newton is a town located in Sussex County, New Jersey. Newton has a 2025 population of 8,170. Newton is currently declining at a rate of -0.43% annually and its population has decreased by -2.09% since the most recent census, which recorded a population of 8,344 in 2020.
The average household income in Newton is $96,324 with a poverty rate of 15.02%. The median age in Newton is 42.2 years: 36.2 years for males, and 46.9 years for females.