64490 -- U.S. ZIP code Municipality (1990): HEMPLE, Missouri All ZIPs for this municipality (1990): 64490 Population (2000): 2132 Housing Units (2000): 866 Land area (2000): 88.754545 sq. miles (229.873207 sq. km) Water area (2000): 0.081894 sq. miles (0.212104 sq. km) Total area (2000): 88.836439 sq. miles (230.085311 sq. km) Located within: Missouri (MO) Location: 39.742260 N, 94.514835 W