Oneida -- U.S. County in Wisconsin Population (2000): 36776 Housing Units (2000): 26627 Land area (2000): 1124.498658 sq. miles (2912.438031 sq. km) Water area (2000): 111.377929 sq. miles (288.467499 sq. km) Total area (2000): 1235.876587 sq. miles (3200.905530 sq. km) Located within: Wisconsin (WI), FIPS 55 Location: 45.719517 N, 89.501903 W Headwords: Oneida Oneida, WI Oneida County Oneida County, WI