Chatham, New York

Chatham, New York
Old Chatham
Location of Chatham, New York
Coordinates: 42°25′05″N 73°34′35″W / 42.41806°N 73.57639°W / 42.41806; -73.57639
CountryUnited States
StateNew York
CountyColumbia
Established1795
Government
 • TypeTown Council
 • Town SupervisorDonal Collins (NOP)
 • Town Council
Members
Area
 • Total
53.54 sq mi (138.68 km2)
 • Land53.23 sq mi (137.86 km2)
 • Water0.32 sq mi (0.82 km2)
Elevation
240 ft (73 m)
Population
 (2020)
 • Total
4,104
 • Density77.10/sq mi (29.77/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP Codes
Area code518
FIPS code36-021-14014
GNIS feature ID0978814
Websitewww.chathamnewyork.us

Chatham /ˈætəm/ is a town in Columbia County, New York, United States. The population was 4,104 at the 2020 census, a decline from the figure of 4,128 in 2010.

The town has a village also called Chatham on its southern town line. The town is at the northern border of Columbia County.