Langdon, ND -- U.S. city in North Dakota Population (2000): 2101 Housing Units (2000): 1178 Land area (2000): 1.703877 sq. miles (4.413020 sq. km) Water area (2000): 0.031965 sq. miles (0.082788 sq. km) Total area (2000): 1.735842 sq. miles (4.495808 sq. km) FIPS code: 44780 Located within: North Dakota (ND), FIPS 38 Location: 48.761696 N, 98.371780 W ZIP Codes (1990): 58249 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Langdon, ND Langdon