McKenzie -- U.S. County in North Dakota Population (2000): 5737 Housing Units (2000): 2719 Land area (2000): 2742.017646 sq. miles (7101.792799 sq. km) Water area (2000): 118.870043 sq. miles (307.871985 sq. km) Total area (2000): 2860.887689 sq. miles (7409.664784 sq. km) Located within: North Dakota (ND), FIPS 38 Location: 47.812432 N, 103.422645 W Headwords: McKenzie McKenzie, ND McKenzie County McKenzie County, ND