Chestertown is a hamlet (unincorporated village) in Warren County, New York, United States, in the Adirondack Mountains, in Town of Chester. The population was 2,187 at the 2000 census. The community is located by the junction of Route 8 and U.S. Route 9.
Chestertown is in the heart of Adirondack Mountains, in the Town of Chester. The latitude of Chestertown is 43.652N; the longitude is -73.801W. It is in the Eastern Standard time zone. The elevation is 843 feet, and the Zip Code is 12817. The nearest city is Glens Falls.
The community was founded in 1799 by New Englanders who built mills along its creeks. The first settlement was established around 1790 and was called Chester Four Corners.