Chester, IL -- U.S. city in Illinois Population (2000): 5185 Housing Units (2000): 2229 Land area (2000): 5.892635 sq. miles (15.261855 sq. km) Water area (2000): 0.011623 sq. miles (0.030103 sq. km) Total area (2000): 5.904258 sq. miles (15.291958 sq. km) FIPS code: 13139 Located within: Illinois (IL), FIPS 17 Location: 37.913947 N, 89.823140 W ZIP Codes (1990): 62233 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Chester, IL Chester