What is "aviston"

Population (2000): 1231
Housing Units (2000): 465
Land area (2000): 1.103292 sq. miles (2.857513 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 1.103292 sq. miles (2.857513 sq. km)
FIPS code: 03181
Located within: Illinois (IL), FIPS 17
Location: 38.609177 N, 89.606293 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: