Poestenkill (CDP), New York

Poestenkill, New York
Location in Rensselaer County and the state of New York.
Poestenkill, New York
Location within the state of New York
Coordinates: 42°41′45″N 73°33′50″W / 42.69583°N 73.56389°W / 42.69583; -73.56389
CountryUnited States
StateNew York
CountyRensselaer
Area
 • Total
5.94 sq mi (15.39 km2)
 • Land5.88 sq mi (15.22 km2)
 • Water0.066 sq mi (0.17 km2)
Elevation
479 ft (146 m)
Population
 (2020)
 • Total
1,020
 • Density173.6/sq mi (67.02/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
12140
Area code518
FIPS code36-58794
GNIS feature ID0960804

Poestenkill is a hamlet (and census-designated place) in Rensselaer County, New York, United States. The population was 1,061 at the 2010 census. The name is taken from Poesten Kill, a stream in the area.

Poestenkill is in the southern part of the Town of Poestenkill.