
Hannawa Falls
- County:
- St. Lawrence County
- County Seat:
- No
- Area (mi²):
- 5.126
- State:
- New York
Hannawa Falls is a CDP located in St. Lawrence County, New York. Hannawa Falls has a 2025 population of 854. Hannawa Falls is currently declining at a rate of -1.5% annually and its population has decreased by -17.88% since the most recent census, which recorded a population of 1,040 in 2020.
The average household income in Hannawa Falls is $95,144 with a poverty rate of 7.2%. The median age in Hannawa Falls is 46.1 years: 47.5 years for males, and 42.8 years for females.