'Tioga County, NY' definitions:

Tioga -- U.S. County in New York

From: Gazetteer 2000
Name :
Tioga -- U.S. County in New York
Population (2000) :
51784
Housing Units (2000) :
21410
Land area (2000) :
518.692105 sq. miles (1343.406328 sq. km)
Water area (2000) :
4.214193 sq. miles (10.914709 sq. km)
Total area (2000) :
522.906298 sq. miles (1354.321037 sq. km)
Located within :
New York (NY), FIPS 36
Location :
42.147003 N, 76.328043 W