Harvard, IL -- U.S. city in Illinois Population (2000): 7996 Housing Units (2000): 2723 Land area (2000): 5.337080 sq. miles (13.822974 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.337080 sq. miles (13.822974 sq. km) FIPS code: 33331 Located within: Illinois (IL), FIPS 17 Location: 42.423444 N, 88.618036 W ZIP Codes (1990): 60033 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harvard, IL Harvard