63454 -- U.S. ZIP code Municipality (1990): MAYWOOD, Missouri All ZIPs for this municipality (1990): 63454 Population (2000): 869 Housing Units (2000): 347 Land area (2000): 34.887567 sq. miles (90.358379 sq. km) Water area (2000): 0.037557 sq. miles (0.097271 sq. km) Total area (2000): 34.925124 sq. miles (90.455650 sq. km) Located within: Missouri (MO) Location: 39.932640 N, 91.637453 W