Classification: City
Located in: Illinois (IL)
Total Population (2000): 18558
Total Housing Units (2000): 7037
Land Area (square meters): 25509291
Water Area (square meters): 1039743
Land Area (square miles): 9.849193
Water Area (square miles): 0.401447
Latitude (decimal degrees): 40.460501
Longitude (decimal degrees): -90.674048
FIPS Code: 17
Place FIPS Code: 45889