60033 -- U.S. ZIP code Municipality (1990): HARVARD, Illinois All ZIPs for this municipality (1990): 60033 Population (2000): 13269 Housing Units (2000): 4701 Land area (2000): 118.439644 sq. miles (306.757256 sq. km) Water area (2000): 0.195537 sq. miles (0.506439 sq. km) Total area (2000): 118.635181 sq. miles (307.263695 sq. km) Located within: Illinois (IL) Location: 42.424338 N, 88.614318 W