Hadley (CDP), New York

Hadley is the primary hamlet and a census-designated place (CDP) within the town of Hadley, Saratoga County, New York, United States. As of the 2010 census, the population was 1,009, out of 1,971 residents in the entire town of Hadley. Before that, the community was part of the Lake Luzerne-Hadley census-designated place.

Hadley CDP is in northern Saratoga County, in the southeastern part of its town. It is bordered to the east by the Hudson River, across which is the town of Lake Luzerne in Warren County. The Sacandaga River forms the southern edge of Hadley, joining the Hudson at the community's southeastern corner.

By road, Hadley is 5 mi north of Corinth, 12 mi west of Glens Falls, and 19 mi north of Saratoga Springs.