Lexington, IL -- U.S. city in Illinois Population (2000): 1912 Housing Units (2000): 803 Land area (2000): 1.050403 sq. miles (2.720531 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.050403 sq. miles (2.720531 sq. km) FIPS code: 43094 Located within: Illinois (IL), FIPS 17 Location: 40.642520 N, 88.785410 W ZIP Codes (1990): 61753 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lexington, IL Lexington