Ithaca is a town in Tompkins County, New York, United States. The town's population was 22,283 at the 2020 census. The town is in the central part of the county, in the Finger Lakes–Southern Tier region of New York, and is part of the Ithaca Metropolitan Statistical Area. The Town of Ithaca is a horseshoe-shaped portion of the metropolitan area of Ithaca, New York, surrounding the City of Ithaca and being the city's only border. Ithaca College is located in the South Hill section of the town.