Berkeley County Flag

Berkeley County

State:
West Virginia
County Seat:
Martinsburg

Berkeley County's estimated 2026 population is 143,054 with a growth rate of 2.53% in the past year according to the most recent United States census data. Berkeley County is the 2nd largest county in West Virginia. The 2010 population was 104,638 and has seen a growth of 36.71% since that time.

143,054
Total Population
446
Population Density (mi²)
2
Population Rank (State)
3.5K 2.53%
Annual Population Growth

Berkeley County Population

Demographics

Economics and Income Statistics