Massachusetts Citizen Voting-age Population By County in 2017 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Massachusetts was 4,931,670 and represented 72.64% of the total Massachusetts population.

Among all Massachusetts counties, Middlesex had the highest citizen voting-age population (1.11M), followed by Worcester (599.70K), and Essex (555.80K).

In terms of percentages, Barnstable had the highest percentage of its population being citizens of voting-age (81.24%), followed by Hampshire (80.65%), and Berkshire (79.93%).

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.