Colchester is a town in Delaware County, New York, United States.

[5] The southern town line is the border of Sullivan County.

[4] As of the census[8] of 2000, there were 2,042 people, 837 households, and 547 families residing in the town.

There were 1,587 housing units at an average density of 11.5 per square mile (4.4/km2).

29.6% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older.