Massachusetts Citizen Voting-age Population By County in 2020 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Massachusetts was 5,030,985 and represented 73.20% of the total Massachusetts population.

Among all Massachusetts counties, Middlesex had the highest citizen voting-age population (1.13M), followed by Worcester (611.10K), and Essex (568.11K).

In terms of percentages, Barnstable had the highest percentage of its population being citizens of voting-age (81.43%), followed by Hampshire (81.19%), and Berkshire (81.18%).

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.