
Erma
- County:
- Cape May County
- County Seat:
- No
- Area (mi²):
- 2.917
- State:
- New Jersey
Erma is a CDP located in Cape May County, New Jersey. Erma has a 2025 population of 1,771. Erma is currently declining at a rate of -1.39% annually and its population has decreased by -13.02% since the most recent census, which recorded a population of 2,036 in 2020.
The average household income in Erma is $98,648 with a poverty rate of 7.17%. The median age in Erma is 37.8 years: 37.5 years for males, and 41.4 years for females.