
Mount Hermon
- County:
- Sussex County
- County Seat:
- No
- Area (mi²):
- 0.933
- State:
- New Jersey
Mount Hermon is a CDP located in Sussex County, New Jersey. Mount Hermon has a 2025 population of 252. Mount Hermon is currently growing at a rate of 2.86% annually and its population has increased by 54.6% since the most recent census, which recorded a population of 163 in 2020.
The average household income in Mount Hermon is $105,432 with a poverty rate of 11.81%. The median age in Mount Hermon is 50.8 years: 55.5 years for males, and 50.3 years for females.