Connecticut Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Connecticut was 2,638,025 and represented 73.17% of the total Connecticut population.

Among all Connecticut counties, Hartford had the highest citizen voting-age population (657.04K), followed by Fairfield (644.91K), and New Haven (640.73K).

In terms of percentages, Middlesex had the highest percentage of its population being citizens of voting-age (79.76%), followed by Tolland (79.43%), and Litchfield (78.93%).

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.