East Greenbush is a town in Rensselaer County, New York, United States. It is a suburb of Albany, New York. The population was 16,473 at the 2010 census. The word Greenbush is derived from the Dutch het groen bosch, referring to the pine woods that originally covered the land. The first settlement of the land now known as East Greenbush was made by tenants under patroon Kiliaen van Rensselaer circa 1630. The town was established in 1855 as Clinton, and was renamed in 1858. It is mostly suburban along its major highways and rural in the southwestern and northeastern corners.Interstate 90 traverses the town. It contains the west (or south) end of US Route 4 and the northern terminus of NY Route 9J; as well as US Route 9 and US Route 20. The latter are concurrent, under the name Columbia Turnpike, and is often referred to by the locals as "9 and 20."HistoryEast Greenbush was part of the Manor of Rensselaerswyck, and Albany County prior to Rensselaer County's creation in 1791. The town of Clinton was established on February 23, 1855 from the town of Greenbush at the same time as the town of North Greenbush. Three years later on April 14, 1858 the name was changed to East Greenbush by New York State Laws of 1858, Chapter 194. The town originally included land that is now the industrial and residential southend of the city of Rensselaer including Fort Crailo, this was annexed to Rensselaer in 1902.
