Seneca Falls is a hamlet and census-designated place in Seneca County, New York, United States. The population was 6,681 at the 2010 census. The 2020 census population of Seneca Falls CDP was 6,809. The hamlet is in the Town of Seneca Falls, east of Geneva. It was an incorporated village from 1831 to 2011. Finger Lakes Regional Airport is south of the hamlet. Seneca Falls was the site of the Seneca Falls Convention, a foundational event in the Women's Rights Movement.