Houghton -- U.S. County in Michigan Population (2000): 36016 Housing Units (2000): 17748 Land area (2000): 1011.719732 sq. miles (2620.341964 sq. km) Water area (2000): 489.838610 sq. miles (1268.676121 sq. km) Total area (2000): 1501.558342 sq. miles (3889.018085 sq. km) Located within: Michigan (MI), FIPS 26 Location: 47.032756 N, 88.605482 W Headwords: Houghton Houghton, MI Houghton County Houghton County, MI