
Brownville
- County:
- Middlesex County
- County Seat:
- No
- Area (mi²):
- 1.07
- State:
- New Jersey
Brownville is a CDP located in Middlesex County, New Jersey. Brownville has a 2025 population of 2,133. Brownville is currently declining at a rate of -0.79% annually and its population has decreased by -11.57% since the most recent census, which recorded a population of 2,412 in 2020.
The average household income in Brownville is $133,439 with a poverty rate of 11.87%. The median age in Brownville is 45.3 years: 43.7 years for males, and 48.8 years for females.