
Millstone township
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 36.607
- State:
- New Jersey
Millstone township is located in Monmouth County, New Jersey. Millstone township has a 2025 population of 10,236. Millstone township is currently declining at a rate of -0.41% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 10,349 in 2020.
The average household income in Millstone township is $250,427 with a poverty rate of 2.9%. The median age in Millstone township is 47.4 years: 45.3 years for males, and 49.3 years for females.