Colesville is a town in Broome County, New York, United States.

[2] The town is in the northeastern part of the county and is northeast of Binghamton.

Robert Harpur, an early developer, has lent his name to the community of Harpursville.

Harpur is believed to be responsible for the many classical names assigned to communities in central New York.

[3] The northern town line is the border of Chenango County.

19.2% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.