Tompkins County is a county located in the U.S. state of New York, and comprises the whole of the Ithaca metropolitan area. As of the 2010 census, the population was 101,564. The county seat is Ithaca, and the county is home to Cornell University, Ithaca College and Tompkins Cortland Community College.

Tompkins County is in the west central part of New York State, south of Syracuse and northwest of Binghamton. It is usually geographically grouped with the Finger Lakes region, but some locals consider themselves to be part of Central New York or the Southern Tier.

http://en.wikipedia.org/wiki/Tompkins_County,_New_York