Buena
- County:
- Atlantic County
- County Seat:
- No
- Area (mi²):
- 7.573
- State:
- New Jersey
Buena is a borough located in Atlantic County, New Jersey. Buena has a 2026 population of 4,555. Buena is currently growing at a rate of 0.71% annually and its population has increased by 0.91% since the most recent census, which recorded a population of 4,514 in 2020.