Hayfield, MN -- U.S. city in Minnesota Population (2000): 1325 Housing Units (2000): 519 Land area (2000): 1.262403 sq. miles (3.269608 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.262403 sq. miles (3.269608 sq. km) FIPS code: 27872 Located within: Minnesota (MN), FIPS 27 Location: 43.889175 N, 92.846049 W ZIP Codes (1990): 55940 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hayfield, MN Hayfield