
Au Sable
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 38.897
- State:
- New York
Au Sable is located in Clinton County, New York. Au Sable has a 2025 population of 3,110. Au Sable is currently declining at a rate of -0.48% annually and its population has decreased by -2.29% since the most recent census, which recorded a population of 3,183 in 2020.
The average household income in Au Sable is $99,292 with a poverty rate of 10.53%. The median age in Au Sable is 45.9 years: 41.8 years for males, and 50.6 years for females.