Franklin County Flag

Franklin County

State:
Massachusetts
County Seat:

Franklin County's estimated 2026 population is 70,893 with a growth rate of 0.02% in the past year according to the most recent United States census data. Franklin County is the 12th largest county in Massachusetts. The 2010 population was 71,372 and has seen a growth of -0.67% since that time.

70,893
Total Population
101
Population Density (mi²)
12
Population Rank (State)
11 0.02%
Annual Population Growth

Franklin County Population

Demographics

Economics and Income Statistics