63131 -- U.S. ZIP code Municipality (1990): DES PERES, Missouri All ZIPs for this municipality (1990): 63131 Population (2000): 16396 Housing Units (2000): 6190 Land area (2000): 12.638160 sq. miles (32.732683 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 12.638160 sq. miles (32.732683 sq. km) Located within: Missouri (MO) Location: 38.618582 N, 90.436435 W