Oakley, ID -- U.S. city in Idaho Population (2000): 668 Housing Units (2000): 257 Land area (2000): 3.990406 sq. miles (10.335104 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.990406 sq. miles (10.335104 sq. km) FIPS code: 58330 Located within: Idaho (ID), FIPS 16 Location: 42.242360 N, 113.880904 W ZIP Codes (1990): 83346 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Oakley, ID Oakley