60014 -- U.S. ZIP code Municipality (1990): CRYSTAL LAKE, Illinois All ZIPs for this municipality (1990): 60012 60014 Population (2000): 44468 Housing Units (2000): 15571 Land area (2000): 22.276550 sq. miles (57.695998 sq. km) Water area (2000): 0.850396 sq. miles (2.202516 sq. km) Total area (2000): 23.126946 sq. miles (59.898514 sq. km) Located within: Illinois (IL) Location: 42.226623 N, 88.330663 W