Essex County Flag

Essex County

State:
Massachusetts
County Seat:
Salem

Essex County's estimated 2026 population is 827,136 with a growth rate of 0.06% in the past year according to the most recent United States census data. Essex County is the 3rd largest county in Massachusetts. The 2010 population was 745,469 and has seen a growth of 10.96% since that time.

827,136
Total Population
1,678
Population Density (mi²)
3
Population Rank (State)
483 0.06%
Annual Population Growth

Essex County Population

Demographics

Economics and Income Statistics