Harrisburg, OR -- U.S. city in Oregon Population (2000): 2795 Housing Units (2000): 1038 Land area (2000): 1.598226 sq. miles (4.139386 sq. km) Water area (2000): 0.038314 sq. miles (0.099232 sq. km) Total area (2000): 1.636540 sq. miles (4.238618 sq. km) FIPS code: 32550 Located within: Oregon (OR), FIPS 41 Location: 44.271193 N, 123.168486 W ZIP Codes (1990): 97446 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harrisburg, OR Harrisburg