Classification: County
Located in: Illinois (IL)
Total Population (2000): 6086
Total Housing Units (2000): 2888
Land Area (square meters): 413868679
Water Area (square meters): 32235199
Land Area (square miles): 159.795597
Water Area (square miles): 12.44608
Latitude (decimal degrees): 41.226096
Longitude (decimal degrees): -89.274381
FIPS Code: 17
Place FIPS Code: 155