Calumet -- U.S. County in Wisconsin Population (2000): 40631 Housing Units (2000): 15758 Land area (2000): 319.839197 sq. miles (828.379681 sq. km) Water area (2000): 77.187643 sq. miles (199.915070 sq. km) Total area (2000): 397.026840 sq. miles (1028.294751 sq. km) Located within: Wisconsin (WI), FIPS 55 Location: 44.111956 N, 88.211825 W Headwords: Calumet Calumet, WI Calumet County Calumet County, WI