Hannawa Falls, New York

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. Hannawa Falls has a post office with ZIP code 13647. New York State Route 56 passes through the community.

Geography
According to the U.S. Census Bureau, the community has an area of 5.412 mi2; 5.110 mi2 of its area is land, and 0.302 mi2 is water.