Classification: City
Located in: Illinois (IL)
Total Population (2000): 39018
Total Housing Units (2000): 13619
Land Area (square meters): 32662570
Water Area (square meters): 20231
Land Area (square miles): 12.611089
Water Area (square miles): 0.007811
Latitude (decimal degrees): 41.931274
Longitude (decimal degrees): -88.750151
FIPS Code: 17
Place FIPS Code: 19161