Arco, ID -- U.S. city in Idaho Population (2000): 1026 Housing Units (2000): 505 Land area (2000): 0.881492 sq. miles (2.283054 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.881492 sq. miles (2.283054 sq. km) FIPS code: 03160 Located within: Idaho (ID), FIPS 16 Location: 43.634632 N, 113.301323 W ZIP Codes (1990): 83213 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Arco, ID Arco