Gilby, ND -- U.S. city in North Dakota Population (2000): 243 Housing Units (2000): 114 Land area (2000): 0.177267 sq. miles (0.459120 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.177267 sq. miles (0.459120 sq. km) FIPS code: 30180 Located within: North Dakota (ND), FIPS 38 Location: 48.083724 N, 97.467493 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gilby, ND Gilby