John Day, OR -- U.S. city in Oregon Population (2000): 1821 Housing Units (2000): 846 Land area (2000): 1.878296 sq. miles (4.864765 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.878296 sq. miles (4.864765 sq. km) FIPS code: 37550 Located within: Oregon (OR), FIPS 41 Location: 44.418091 N, 118.955064 W ZIP Codes (1990): 97845 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: John Day, OR John Day