Hannawa_Falls,_New_York
Hannawa Falls, New York
Hamlet in New York, United States
Hannawa Falls is a hamlet and census-designated place in St. Lawrence County, New York, United States. Its population was 1,042 as of the 2010 census.[1] Hannawa Falls has a post office with ZIP code 13647.[3][4] New York State Route 56 passes through the community.