Green Island Map
Green Island is a coterminous town and village in Albany County, New York, USA some 8 miles (13 km.) north of Albany, New York. Green Island is one of only five such town-village amalgams in New York. The population was 2,620 at the 2010 census. The postal code is 12183.
Green Island is also the smallest town, by area, in New York, covering 0.7 of a square mile (1.8 km²); by contrast, the largest town in the state by area, Webb, covers 483 square miles (1,250 km2).
Today's town and village of Green Island is connected to the mainland United States. However, it was once called Tibbett's Island, and is situated on land that was, in the past, an island. The First (or South) Branch of the Mohawk River delta once ran between the island and Watervliet, separating the island from mainland Albany County. The river branch was filled in during construction of Interstate 787 in the 1960s.
Nearby cities include Troy, Watervliet, Averill Park, East Greenbush, Niskayuna.