Fishkill is a village within the town of Fishkill in Dutchess County, New York, United States. As of the 2020 census, Fishkill had a population of 2,166. The village is in the eastern part of the town of Fishkill on U.S. Route 9, bordering on Fishkill Creek. It is north of Interstate 84. NY 52 is the main street. It is part of the Kiryas Joel–Poughkeepsie–Newburgh metropolitan area as well as the larger New York metropolitan area. The first U. S. Post Office in New York state was established in Fishkill by Samuel Loudon, its first Postmaster.