Kobuk, AK -- U.S. city in Alaska Population (2000): 109 Housing Units (2000): 45 Land area (2000): 16.103959 sq. miles (41.709060 sq. km) Water area (2000): 0.729251 sq. miles (1.888751 sq. km) Total area (2000): 16.833210 sq. miles (43.597811 sq. km) FIPS code: 40840 Located within: Alaska (AK), FIPS 02 Location: 66.917579 N, 156.906829 W ZIP Codes (1990): 99751 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Kobuk, AK Kobuk