Chatsworth, IL -- U.S. town in Illinois Population (2000): 1265 Housing Units (2000): 581 Land area (2000): 0.895366 sq. miles (2.318988 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.895366 sq. miles (2.318988 sq. km) FIPS code: 12710 Located within: Illinois (IL), FIPS 17 Location: 40.754256 N, 88.293023 W ZIP Codes (1990): 60921 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Chatsworth, IL Chatsworth