
Swan Lake
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 1.711
- State:
- New York
Swan Lake is a CDP located in Sullivan County, New York. Swan Lake has a 2025 population of 311. Swan Lake is currently growing at a rate of 7.24% annually and its population has increased by 25.4% since the most recent census, which recorded a population of 248 in 2020.
The average household income in Swan Lake is $83,540 with a poverty rate of 10.9%. The median age in Swan Lake is 62 years: 63.3 years for males, and 61.8 years for females.