Sheridan, IL -- U.S. village in Illinois Population (2000): 2411 Housing Units (2000): 297 Land area (2000): 1.405439 sq. miles (3.640069 sq. km) Water area (2000): 0.040428 sq. miles (0.104707 sq. km) Total area (2000): 1.445867 sq. miles (3.744776 sq. km) FIPS code: 69277 Located within: Illinois (IL), FIPS 17 Location: 41.528397 N, 88.684072 W ZIP Codes (1990): 60551 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sheridan, IL Sheridan