Kulm, ND -- U.S. city in North Dakota Population (2000): 422 Housing Units (2000): 251 Land area (2000): 0.315939 sq. miles (0.818277 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.315939 sq. miles (0.818277 sq. km) FIPS code: 43580 Located within: North Dakota (ND), FIPS 38 Location: 46.301844 N, 98.948135 W ZIP Codes (1990): 58456 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Kulm, ND Kulm