Alsen, ND -- U.S. city in North Dakota Population (2000): 68 Housing Units (2000): 45 Land area (2000): 29.347430 sq. miles (76.009491 sq. km) Water area (2000): 0.522292 sq. miles (1.352731 sq. km) Total area (2000): 29.869722 sq. miles (77.362222 sq. km) FIPS code: 01740 Located within: North Dakota (ND), FIPS 38 Location: 48.627575 N, 98.705831 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alsen, ND Alsen