Bancroft, ID -- U.S. city in Idaho Population (2000): 382 Housing Units (2000): 172 Land area (2000): 0.658610 sq. miles (1.705792 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.658610 sq. miles (1.705792 sq. km) FIPS code: 04420 Located within: Idaho (ID), FIPS 16 Location: 42.719440 N, 111.886194 W ZIP Codes (1990): 83217 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Bancroft, ID Bancroft