Berkeley County Flag

Berkeley County

State:
West Virginia
County Seat:
Martinsburg

Berkeley County's 2026 population is estimated at 143,159, reflecting a 2.46% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Berkeley County is the 2nd largest county in West Virginia. The 2010 population was 104,638 and has grown 36.81% since 2010.

143,159
Total Population
446
Population Density (mi²)
2
Population Rank (State)
3.4K 2.46%
Annual Population Growth

Berkeley County Population

Demographics

Economics and Income Statistics