Harrison -- U.S. County in West Virginia Population (2000): 68652 Housing Units (2000): 31112 Land area (2000): 416.042432 sq. miles (1077.544907 sq. km) Water area (2000): 0.555788 sq. miles (1.439483 sq. km) Total area (2000): 416.598220 sq. miles (1078.984390 sq. km) Located within: West Virginia (WV), FIPS 54 Location: 39.297035 N, 80.341952 W Headwords: Harrison Harrison, WV Harrison County Harrison County, WV