Keeseville is a village in both Clinton County, New York and in Essex County, New York in the United States. The population was 1,815 at the 2010 census. The village is named after the Keese family.
The Village of Keeseville is in the Town of Au Sable (or Ausable), New York and the Town of Chesterfield. Keeseville is south of Plattsburgh. It is also inside the Adirondack Park.
The village was originally called "Anderson Falls," but the name was changed around 1812 to Keeseville, a name derived from a manufacturer and businessman. The early village was an industrial area devoted, in part, to lumber, iron processing and milling.