Connecticut Non-Hispanic White Alone Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic White Alone citizen voting-age population for Connecticut was 2,548,850 and represented 98.00% of the total Connecticut citizen voting-age population.

Among all Connecticut counties, Fairfield had the highest Non-Hispanic White Alone citizen voting-age population (450.30K), followed by New Haven (448.39K), and Hartford (446.95K).

In terms of percentages, Litchfield had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (92.75%), followed by Tolland (88.66%), and Middlesex (88.03%).

The chart and table below shows the Non-Hispanic White Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic White Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Connecticut Non-Hispanic White Alone Citizen Voting-age Population By County in 2018
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Fairfield 450300 71.68
New Haven 448385 70.56
Hartford 446945 68.83
New London 168245 81.25
Litchfield 132410 92.75
Middlesex 112845 88.03
Tolland 106135 88.66
Windham 78965 87.49