Hudson Falls is a village located in Washington County, New York, United States. The village is in the southwest of the town of Kingsbury, on U.S. Route 4. Hudson Falls is part of the Glens Falls Metropolitan Statistical Area. As of the 2010 census, the village had a population of 7,281. It was the county seat of Washington County until 1994, when the county seat was moved to Fort Edward.

The Glens Falls Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in Upstate New York, anchored by the city of Glens Falls. It is considered to be a part of the greater Capital District. As of the 2010 census, the MSA had a population of 128,942.