
Blackwells Mills
- County:
- Somerset County
- County Seat:
- No
- Area (mi²):
- 7.68
- State:
- New Jersey
Blackwells Mills is a CDP located in Somerset County, New Jersey. Blackwells Mills has a 2025 population of 12,358. Blackwells Mills is currently growing at a rate of 6.64% annually and its population has increased by 29.96% since the most recent census, which recorded a population of 9,509 in 2020.
The average household income in Blackwells Mills is $283,879 with a poverty rate of 1.52%. The median age in Blackwells Mills is 40.6 years: 39.7 years for males, and 42.1 years for females.