Garwood
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.65
- State:
- New Jersey
Garwood is a borough located in Union County, New Jersey. Garwood has a 2026 population of 5,346. Garwood is currently growing at a rate of 1.89% annually and its population has increased by 20.68% since the most recent census, which recorded a population of 4,430 in 2020.