
Upper Montclair
- County:
- Essex County
- County Seat:
- No
- Area (mi²):
- 2.38
- State:
- New Jersey
Upper Montclair is a CDP located in Essex County, New Jersey. Upper Montclair has a 2025 population of 12,660. Upper Montclair is currently growing at a rate of 0.58% annually and its population has increased by 10.67% since the most recent census, which recorded a population of 11,439 in 2020.
The average household income in Upper Montclair is $356,481 with a poverty rate of 1.77%. The median age in Upper Montclair is 41.3 years: 38.2 years for males, and 44.7 years for females.