Shelby -- U.S. County in Ohio Population (2000): 47910 Housing Units (2000): 18682 Land area (2000): 409.272369 sq. miles (1060.010524 sq. km) Water area (2000): 1.758566 sq. miles (4.554664 sq. km) Total area (2000): 411.030935 sq. miles (1064.565188 sq. km) Located within: Ohio (OH), FIPS 39 Location: 40.330548 N, 84.190321 W Headwords: Shelby Shelby, OH Shelby County Shelby County, OH