Hartford, IL -- U.S. village in Illinois Population (2000): 1545 Housing Units (2000): 710 Land area (2000): 3.898056 sq. miles (10.095919 sq. km) Water area (2000): 0.014000 sq. miles (0.036260 sq. km) Total area (2000): 3.912056 sq. miles (10.132179 sq. km) FIPS code: 33279 Located within: Illinois (IL), FIPS 17 Location: 38.824498 N, 90.092509 W ZIP Codes (1990): 62048 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hartford, IL Hartford