
Brielle
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 1.756
- State:
- New Jersey
Brielle is a borough located in Monmouth County, New Jersey. Brielle has a 2025 population of 4,884. Brielle is currently declining at a rate of -0.37% annually and its population has decreased by -1.79% since the most recent census, which recorded a population of 4,973 in 2020.
The average household income in Brielle is $228,399 with a poverty rate of 1.35%. The median age in Brielle is 45.9 years: 46.5 years for males, and 45 years for females.