Massachusetts Citizen Voting-age Population By County in 2022 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2022, the citizen voting-age population for Massachusetts was 5,117,160 and represented 73.27% of the total Massachusetts population.

Among all Massachusetts counties, Middlesex had the highest citizen voting-age population (1.15M), followed by Worcester (633.68K), and Essex (579.20K).

In terms of percentages, Barnstable had the highest percentage of its population being citizens of voting-age (81.75%), followed by Berkshire (81.56%), and Franklin (80.92%).

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.

See this for other years:
Massachusetts Citizen Voting-age Population By County in 2022
Massachusetts Citizen Voting-age Population By County in 2022
Items per page:
0 of 0
County Citizen Voting-age Population % of County Population
Middlesex 1146285 70.62
Worcester 633685 73.78
Essex 579200 71.85
Suffolk 549765 69.99
Norfolk 524025 72.57
Bristol 433020 75.09
Plymouth 399755 75.49
Hampden 351605 75.68
Barnstable 187565 81.75
Hampshire 124440 80.84
Berkshire 105025 81.56
Franklin 57440 80.92
Dukes 15190 73.94
Nantucket 10150 72.17