128,000
Population
2nd in West Virginia
Martinsburg
County seat
$66,000
Median household income
Berkeley County
Berkeley County is West Virginia's fastest-growing county, part of the Washington, D.C. commuter belt in the state's Eastern Panhandle.
Berkeley County is West Virginia's fastest-growing county, part of the Washington, D.C. commuter belt in the state's Eastern Panhandle.