
Nelson
- County:
- Madison County
- County Seat:
- No
- Area (mi²):
- 43.061
- State:
- New York
Nelson is located in Madison County, New York. Nelson has a 2025 population of 1,880. Nelson is currently declining at a rate of -0.16% annually and its population has decreased by -0.48% since the most recent census, which recorded a population of 1,889 in 2020.
The average household income in Nelson is $116,690 with a poverty rate of 7.78%. The median age in Nelson is 49.9 years: 53.8 years for males, and 45 years for females.