Classification: County
Located in: Illinois (IL)
Total Population (2000): 6332
Total Housing Units (2000): 2725
Land Area (square meters): 745755535
Water Area (square meters): 714176
Land Area (square miles): 287.937834
Water Area (square miles): 0.275745
Latitude (decimal degrees): 41.097764
Longitude (decimal degrees): -89.8023
FIPS Code: 17
Place FIPS Code: 175