Classification: City
Located in: Illinois (IL)
Total Population (2000): 18307
Total Housing Units (2000): 8030
Land Area (square meters): 18982114
Water Area (square meters): 863884
Land Area (square miles): 7.329036
Water Area (square miles): 0.333547
Latitude (decimal degrees): 41.347118
Longitude (decimal degrees): -88.842184
FIPS Code: 17
Place FIPS Code: 56926