Fieldon, IL -- U.S. village in Illinois Population (2000): 271 Housing Units (2000): 110 Land area (2000): 0.198954 sq. miles (0.515288 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.198954 sq. miles (0.515288 sq. km) FIPS code: 26012 Located within: Illinois (IL), FIPS 17 Location: 39.108184 N, 90.500048 W ZIP Codes (1990): 62031 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Fieldon, IL Fieldon