Henning, MN -- U.S. city in Minnesota Population (2000): 719 Housing Units (2000): 406 Land area (2000): 3.094096 sq. miles (8.013672 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.094096 sq. miles (8.013672 sq. km) FIPS code: 28520 Located within: Minnesota (MN), FIPS 27 Location: 46.321801 N, 95.444269 W ZIP Codes (1990): 56551 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Henning, MN Henning