Rensselaer County, New York

Rensselaer County is a county located in the state of New York in the United States. In the 2000 census, the county had 152 538 inhabitants and a population density of 90 inhabitants per square kilometer. The administrative headquarters ( County Seat) is Troy.


The County was formed on February 7, 1791 Albany County. It was named after the Dutch diamond dealer Kiliaen van Rensselaer (1585-1643), who acquired a large estate ( Rensselaerswijck ) in the area of present-day Rensselaer counties and the present Albany County in the colony of New Netherlands.


The county has an area of ​​1723 square kilometers, of which 30 square kilometers are water surface. The Rensselaer County is bordered on the north by the Washington County, on the south by the Columbia County, on the west by Albany County and Saratoga County and on the east by the states of Massachusetts and Vermont. In the municipality of Berlin is the highest point of the county, the 859 meter high Berlin Mountain. On the banks of the Hudson River the deepest point of the county is situated at a height of about 6 meters above the sea level.

Cities and towns

  • Averill Park
  • Berlin
  • Brunswick
  • Castleton-on -Hudson
  • East Greenbush
  • East Nassau
  • Grafton
  • Hampton Manor
  • Hoosick Falls
  • Hoosick
  • Nassau
  • North Greenbush
  • Petersburgh
  • Pittstown
  • Poestenkill
  • Rensselaer
  • Sand Lake
  • Schaghticoke
  • Schodack
  • Stephentown
  • Troy
  • Valley Falls
  • West Sand Lake
  • Wynantskill