Berkshire County Flag

Berkshire County

State:
Massachusetts
County Seat:
Pittsfield

Berkshire County's estimated 2026 population is 127,399 with a growth rate of -0.64% 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 -2.98% since that time.

127,399
Total Population
137
Population Density (mi²)
11
Population Rank (State)
-825 -0.64%
Annual Population Growth

Berkshire County Population

Demographics

Economics and Income Statistics