
Delaware
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 34.895
- State:
- New York
Delaware is located in Sullivan County, New York. Delaware has a 2025 population of 2,176. Delaware is currently declining at a rate of -0.5% annually and its population has decreased by -1% since the most recent census, which recorded a population of 2,198 in 2020.
The average household income in Delaware is $108,624 with a poverty rate of 10.75%. The median age in Delaware is 48.3 years: 56.7 years for males, and 44.4 years for females.