63119 -- U.S. ZIP code Municipality (1990): WEBSTER GROVES, Missouri All ZIPs for this municipality (1990): 63119 Population (2000): 34416 Housing Units (2000): 15380 Land area (2000): 8.352924 sq. miles (21.633972 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 8.352924 sq. miles (21.633972 sq. km) Located within: Missouri (MO) Location: 38.590652 N, 90.351686 W