Delphi Falls, New York is a hamlet in the town of Pompey, Onondaga County, New York. It was prosperous in the early 19th century. It is the location of several houses and has a golf course nearby. There are a lot of corn fields. It is the boyhood home to author Jerome Mark Antil and fictional surroundings for his novel The Pompey Hollow Book Club featuring Delphi Falls residents Dale Barber, Bobby Mawson and historical The Delphi Falls Cemetery. Delphi Falls is located southeast of the hamlet in Madison County.