Clayton -- U.S. County in Georgia Population (2000): 236517 Housing Units (2000): 86461 Land area (2000): 142.621579 sq. miles (369.388178 sq. km) Water area (2000): 1.657556 sq. miles (4.293049 sq. km) Total area (2000): 144.279135 sq. miles (373.681227 sq. km) Located within: Georgia (GA), FIPS 13 Location: 33.566178 N, 84.365597 W Headwords: Clayton Clayton, GA Clayton County Clayton County, GA