Chesterfield is a town in Essex County, New York, United States.

[citation needed] Poke-O-Moonshine Mountain Fire Observation Station was added to the National Register of Historic Places in 2001.

Interstate 87, the Northway, is a major divided highway running north–south through Chesterfield.

Ferry service is seasonally available between Port Kent and Burlington, Vermont.

21.1% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older.