Barnstable County Flag

Barnstable County

State:
Massachusetts
County Seat:

Barnstable County's estimated 2025 population is 231,049 with a growth rate of -0.15% in the past year according to the most recent United States census data. Barnstable County is the 9th largest county in Massachusetts. The 2010 population was 215,909 and has seen a growth of 7.01% since that time.

231,049
Total Population
586
Population Density (mi²)
9
Population Rank (State)
-343 -0.15%
Annual Population Growth

Barnstable County Population

Demographics

Economics and Income Statistics