Greendale, MO -- U.S. city in Missouri Population (2000): 722 Housing Units (2000): 343 Land area (2000): 0.207452 sq. miles (0.537298 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.207452 sq. miles (0.537298 sq. km) FIPS code: 29152 Located within: Missouri (MO), FIPS 29 Location: 38.694351 N, 90.314509 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Greendale, MO Greendale