Northwoods, MO -- U.S. city in Missouri Population (2000): 4643 Housing Units (2000): 1823 Land area (2000): 0.709325 sq. miles (1.837143 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.709325 sq. miles (1.837143 sq. km) FIPS code: 53408 Located within: Missouri (MO), FIPS 29 Location: 38.703251 N, 90.282337 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Northwoods, MO Northwoods