Berkshire County Flag

Berkshire County

State:
Massachusetts
County Seat:

Berkshire County's estimated 2026 population is 128,452 with a growth rate of -0.11% in the past year according to the most recent United States census data. Berkshire County is the 11th largest county in Massachusetts. The 2010 population was 131,318 and has seen a growth of -2.18% since that time.

128,452
Total Population
139
Population Density (mi²)
11
Population Rank (State)
-137 -0.11%
Annual Population Growth

Berkshire County Population

Demographics

Economics and Income Statistics