Connecticut 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 Connecticut was 2,600,980 and represented 72.62% of the total Connecticut population.

Among all Connecticut counties, Hartford had the highest citizen voting-age population (649.32K), followed by New Haven (635.46K), and Fairfield (628.21K).

In terms of percentages, Tolland had the highest percentage of its population being citizens of voting-age (79.14%), followed by Middlesex (78.47%), and Litchfield (78.00%).

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.