Berkeley -- U.S. County in West Virginia Population (2000): 75905 Housing Units (2000): 32913 Land area (2000): 321.139069 sq. miles (831.746334 sq. km) Water area (2000): 0.438176 sq. miles (1.134871 sq. km) Total area (2000): 321.577245 sq. miles (832.881205 sq. km) Located within: West Virginia (WV), FIPS 54 Location: 39.462988 N, 77.983926 W Headwords: Berkeley Berkeley, WV Berkeley County Berkeley County, WV