Butternut, WI -- U.S. village in Wisconsin Population (2000): 407 Housing Units (2000): 220 Land area (2000): 1.600841 sq. miles (4.146160 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.600841 sq. miles (4.146160 sq. km) FIPS code: 11525 Located within: Wisconsin (WI), FIPS 55 Location: 46.013958 N, 90.494614 W ZIP Codes (1990): 54514 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Butternut, WI Butternut