Willamina, OR -- U.S. city in Oregon Population (2000): 1844 Housing Units (2000): 715 Land area (2000): 0.862482 sq. miles (2.233818 sq. km) Water area (2000): 0.024477 sq. miles (0.063396 sq. km) Total area (2000): 0.886959 sq. miles (2.297214 sq. km) FIPS code: 82350 Located within: Oregon (OR), FIPS 41 Location: 45.076805 N, 123.485061 W ZIP Codes (1990): 97396 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Willamina, OR Willamina