Colonie is a town in Albany County, New York, United States. It is the most-populous suburb of Albany, and is the third-largest town in area in Albany County, occupying approximately 11% of the county. Several hamlets exist within the town. As of the 2020 census, the town had a total population of 85,590. The name is derived from the Dutch Colonye or "Colonie", derived from the Colonie of Rensselaerswyck. All the land outside the Village of Beverwyck was referred to as the "Colonie".