
Nelsonville
- County:
- Putnam County
- County Seat:
- No
- Area (mi²):
- 1.034
- State:
- New York
Nelsonville is a village located in Putnam County, New York. Nelsonville has a 2025 population of 636. Nelsonville is currently growing at a rate of 0.47% annually and its population has increased by 2.42% since the most recent census, which recorded a population of 621 in 2020.
The average household income in Nelsonville is $161,517 with a poverty rate of 3.52%. The median age in Nelsonville is 41.8 years: 38.5 years for males, and 45.3 years for females.