Jerome, IL -- U.S. village in Illinois Population (2000): 1414 Housing Units (2000): 727 Land area (2000): 0.371442 sq. miles (0.962030 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.371442 sq. miles (0.962030 sq. km) FIPS code: 38375 Located within: Illinois (IL), FIPS 17 Location: 39.768000 N, 89.678938 W ZIP Codes (1990): 62704 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Jerome, IL Jerome