Cayuga -- U.S. County in New York Population (2000): 81963 Housing Units (2000): 35477 Land area (2000): 693.184873 sq. miles (1795.340503 sq. km) Water area (2000): 170.457216 sq. miles (441.482145 sq. km) Total area (2000): 863.642089 sq. miles (2236.822648 sq. km) Located within: New York (NY), FIPS 36 Location: 42.933530 N, 76.564638 W Headwords: Cayuga Cayuga, NY Cayuga County Cayuga County, NY