Gaston, OR -- U.S. city in Oregon Population (2000): 600 Housing Units (2000): 204 Land area (2000): 0.222906 sq. miles (0.577323 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.222906 sq. miles (0.577323 sq. km) FIPS code: 28100 Located within: Oregon (OR), FIPS 41 Location: 45.436337 N, 123.141501 W ZIP Codes (1990): 97119 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gaston, OR Gaston