Siletz, OR -- U.S. city in Oregon Population (2000): 1133 Housing Units (2000): 468 Land area (2000): 0.629673 sq. miles (1.630845 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.629673 sq. miles (1.630845 sq. km) FIPS code: 67500 Located within: Oregon (OR), FIPS 41 Location: 44.721812 N, 123.916316 W ZIP Codes (1990): 97380 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Siletz, OR Siletz