Flora, IL -- U.S. city in Illinois Population (2000): 5086 Housing Units (2000): 2352 Land area (2000): 4.437148 sq. miles (11.492159 sq. km) Water area (2000): 0.000241 sq. miles (0.000623 sq. km) Total area (2000): 4.437389 sq. miles (11.492782 sq. km) FIPS code: 26454 Located within: Illinois (IL), FIPS 17 Location: 38.669813 N, 88.484105 W ZIP Codes (1990): 62839 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Flora, IL Flora