Riverton, IL -- U.S. village in Illinois Population (2000): 3048 Housing Units (2000): 1311 Land area (2000): 2.035527 sq. miles (5.271991 sq. km) Water area (2000): 0.035497 sq. miles (0.091938 sq. km) Total area (2000): 2.071024 sq. miles (5.363929 sq. km) FIPS code: 64486 Located within: Illinois (IL), FIPS 17 Location: 39.848305 N, 89.540166 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Riverton, IL Riverton