Classification: County
Located in: Illinois (IL)
Total Population (2000): 8621
Total Housing Units (2000): 3983
Land Area (square meters): 1127069640
Water Area (square meters): 1746467
Land Area (square miles): 435.164039
Water Area (square miles): 0.674315
Latitude (decimal degrees): 38.096779
Longitude (decimal degrees): -88.536242
FIPS Code: 17
Place FIPS Code: 65