Classification: County
Located in: Ohio (OH)
Total Population (2000): 559062
Total Housing Units (2000): 248443
Land Area (square meters): 1195735149
Water Area (square meters): 6910116
Land Area (square miles): 461.675942
Water Area (square miles): 2.668011
Latitude (decimal degrees): 39.750258
Longitude (decimal degrees): -84.21859
FIPS Code: 39
Place FIPS Code: 113