Connecticut Citizen Voting-age Population By County in 2013 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2013, the citizen voting-age population for Connecticut was 2,548,580 and represented 71.12% of the total Connecticut population.

Among all Connecticut counties, Hartford had the highest citizen voting-age population (638.03K), followed by New Haven (626.69K), and Fairfield (601.41K).

In terms of percentages, Tolland had the highest percentage of its population being citizens of voting-age (77.08%), followed by Middlesex (76.31%), and Litchfield (76.15%).

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.

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Connecticut Citizen Voting-age Population By County in 2013
Connecticut Citizen Voting-age Population By County in 2013
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County Citizen Voting-age Population % of County Population
Hartford 638030 71.22
New Haven 626690 72.65
Fairfield 601410 64.93
New London 205565 75.00
Litchfield 143645 76.15
Middlesex 126445 76.31
Tolland 117450 77.08
Windham 89340 75.64