Cascade Locks, OR -- U.S. city in Oregon Population (2000): 1115 Housing Units (2000): 476 Land area (2000): 2.153361 sq. miles (5.577180 sq. km) Water area (2000): 0.827908 sq. miles (2.144271 sq. km) Total area (2000): 2.981269 sq. miles (7.721451 sq. km) FIPS code: 11600 Located within: Oregon (OR), FIPS 41 Location: 45.672393 N, 121.873540 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Cascade Locks, OR Cascade Locks