
Roselle Park
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 1.225
- State:
- New Jersey
Roselle Park is a borough located in Union County, New Jersey. Roselle Park has a 2025 population of 13,885. Roselle Park is currently declining at a rate of -0.17% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 14,002 in 2020.
The average household income in Roselle Park is $130,165 with a poverty rate of 5.07%. The median age in Roselle Park is 38.6 years: 36.5 years for males, and 39.9 years for females.