Massachusetts Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Massachusetts was 4,964,685 and represented 72.69% of the total Massachusetts population.

Among all Massachusetts counties, Middlesex had the highest citizen voting-age population (1.12M), followed by Worcester (604.90K), and Essex (559.40K).

In terms of percentages, Barnstable had the highest percentage of its population being citizens of voting-age (81.31%), followed by Hampshire (80.63%), and Berkshire (80.08%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.