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 2026 population of 4,938. Brielle is currently growing at a rate of 0.02% annually but its population has decreased by -0.68% since the most recent census, which recorded a population of 4,972 in 2020.