Norfolk -- U.S. County in Massachusetts Population (2000): 650308 Housing Units (2000): 255154 Land area (2000): 399.583163 sq. miles (1034.915597 sq. km) Water area (2000): 44.354839 sq. miles (114.878501 sq. km) Total area (2000): 443.938002 sq. miles (1149.794098 sq. km) Located within: Massachusetts (MA), FIPS 25 Location: 42.199156 N, 71.154440 W Headwords: Norfolk Norfolk, MA Norfolk County Norfolk County, MA