61883 -- U.S. ZIP code Municipality (1990): WESTVILLE, Illinois All ZIPs for this municipality (1990): 61883 Population (2000): 4622 Housing Units (2000): 2149 Land area (2000): 18.907877 sq. miles (48.971174 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 18.907877 sq. miles (48.971174 sq. km) Located within: Illinois (IL) Location: 40.040115 N, 87.636850 W