62034 -- U.S. ZIP code Municipality (1990): GLEN CARBON, Illinois All ZIPs for this municipality (1990): 62034 Population (2000): 12015 Housing Units (2000): 4830 Land area (2000): 14.645135 sq. miles (37.930724 sq. km) Water area (2000): 0.043069 sq. miles (0.111547 sq. km) Total area (2000): 14.688204 sq. miles (38.042271 sq. km) Located within: Illinois (IL) Location: 38.755920 N, 89.974429 W