Carlyle, IL -- U.S. city in Illinois Population (2000): 3406 Housing Units (2000): 1464 Land area (2000): 2.993327 sq. miles (7.752682 sq. km) Water area (2000): 0.004432 sq. miles (0.011479 sq. km) Total area (2000): 2.997759 sq. miles (7.764161 sq. km) FIPS code: 11228 Located within: Illinois (IL), FIPS 17 Location: 38.612642 N, 89.370789 W ZIP Codes (1990): 62231 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Carlyle, IL Carlyle