Westville, IL -- U.S. village in Illinois Population (2000): 3175 Housing Units (2000): 1537 Land area (2000): 1.595022 sq. miles (4.131089 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.595022 sq. miles (4.131089 sq. km) FIPS code: 80931 Located within: Illinois (IL), FIPS 17 Location: 40.043286 N, 87.637995 W ZIP Codes (1990): 61883 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Westville, IL Westville