Hampden County Flag

Hampden County

State:
Massachusetts
County Seat:
Springfield

Hampden County's 2026 population is estimated at 465,258, reflecting a 0.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hampden County is the 8th largest county in Massachusetts. The 2010 population was 464,248 and has grown 0.22% since 2010.

465,258
Total Population
754
Population Density (mi²)
8
Population Rank (State)
920 0.2%
Annual Population Growth

Hampden County Population

Demographics

Economics and Income Statistics