Fairmount, ND -- U.S. city in North Dakota Population (2000): 406 Housing Units (2000): 202 Land area (2000): 0.328971 sq. miles (0.852031 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.328971 sq. miles (0.852031 sq. km) FIPS code: 25300 Located within: North Dakota (ND), FIPS 38 Location: 46.054393 N, 96.601642 W ZIP Codes (1990): 58030 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Fairmount, ND Fairmount