60135 -- U.S. ZIP code Municipality (1990): GENOA, Illinois All ZIPs for this municipality (1990): 60135 Population (2000): 6007 Housing Units (2000): 2256 Land area (2000): 45.999788 sq. miles (119.138899 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 45.999788 sq. miles (119.138899 sq. km) Located within: Illinois (IL) Location: 42.100280 N, 88.690605 W