Irrigon, OR -- U.S. city in Oregon Population (2000): 1702 Housing Units (2000): 609 Land area (2000): 1.236512 sq. miles (3.202550 sq. km) Water area (2000): 0.153832 sq. miles (0.398423 sq. km) Total area (2000): 1.390344 sq. miles (3.600973 sq. km) FIPS code: 36500 Located within: Oregon (OR), FIPS 41 Location: 45.895884 N, 119.492681 W ZIP Codes (1990): 97844 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Irrigon, OR Irrigon