Preston -- U.S. County in West Virginia Population (2000): 29334 Housing Units (2000): 13444 Land area (2000): 648.324302 sq. miles (1679.152163 sq. km) Water area (2000): 3.063818 sq. miles (7.935253 sq. km) Total area (2000): 651.388120 sq. miles (1687.087416 sq. km) Located within: West Virginia (WV), FIPS 54 Location: 39.472343 N, 79.671756 W Headwords: Preston Preston, WV Preston County Preston County, WV