Classification: City
Located in: Illinois (IL)
Total Population (2000): 18940
Total Housing Units (2000): 8162
Land Area (square meters): 26244313
Water Area (square meters): 498747
Land Area (square miles): 10.132986
Water Area (square miles): 0.192567
Latitude (decimal degrees): 39.731936
Longitude (decimal degrees): -90.234394
FIPS Code: 17
Place FIPS Code: 38115