Classification: County
Located in: Ohio (OH)
Total Population (2000): 845303
Total Housing Units (2000): 373393
Land Area (square meters): 1055069826
Water Area (square meters): 14034460
Land Area (square miles): 407.364755
Water Area (square miles): 5.418736
Latitude (decimal degrees): 39.179526
Longitude (decimal degrees): -84.493792
FIPS Code: 39
Place FIPS Code: 61