62236 -- U.S. ZIP code Municipality (1990): COLUMBIA, Illinois All ZIPs for this municipality (1990): 62236 Population (2000): 10517 Housing Units (2000): 4153 Land area (2000): 58.338351 sq. miles (151.095628 sq. km) Water area (2000): 0.294475 sq. miles (0.762686 sq. km) Total area (2000): 58.632826 sq. miles (151.858314 sq. km) Located within: Illinois (IL) Location: 38.442906 N, 90.207753 W