64062 -- U.S. ZIP code Municipality (1990): LAWSON, Missouri All ZIPs for this municipality (1990): 64062 Population (2000): 5788 Housing Units (2000): 2108 Land area (2000): 91.838943 sq. miles (237.861760 sq. km) Water area (2000): 0.146295 sq. miles (0.378903 sq. km) Total area (2000): 91.985238 sq. miles (238.240663 sq. km) Located within: Missouri (MO) Location: 39.443609 N, 94.170631 W