Classification: City
Located in: Illinois (IL)
Total Population (2000): 20681
Total Housing Units (2000): 10968
Land Area (square meters): 30807148
Water Area (square meters): 644395
Land Area (square miles): 11.894707
Water Area (square miles): 0.248802
Latitude (decimal degrees): 37.726418
Longitude (decimal degrees): -89.22027
FIPS Code: 17
Place FIPS Code: 11163