
Delaware
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 0.519
- State:
- New Jersey
Delaware is a CDP located in Warren County, New Jersey. Delaware has a 2025 population of 119. Delaware is currently declining at a rate of -1.65% annually and its population has decreased by -8.46% since the most recent census, which recorded a population of 130 in 2020.
The average household income in Delaware is $122,157 with a poverty rate of 14.29%. The median age in Delaware is 62.7 years: 62.3 years for males, and 67.5 years for females.