Connecticut Non-Hispanic White Alone Citizen Voting-age Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the Non-Hispanic White Alone citizen voting-age population for Connecticut was 2,606,270 and represented 98.66% of the total Connecticut citizen voting-age population.

Among all Connecticut counties, Capitol Planning Region had the highest Non-Hispanic White Alone citizen voting-age population (493.98K), followed by Western Connecticut Planning Region (297.39K), and South Central Connecticut Planning Region (286.55K).

In terms of percentages, Northeastern Connecticut Planning Region had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (91.30%), followed by Northwest Hills Planning Region (88.45%), and Lower Connecticut River Valley Planning Region (85.57%).

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 2023
Connecticut Non-Hispanic White Alone Citizen Voting-age Population By County in 2023
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Capitol Planning Region 493980 68.79
Western Connecticut Planning Region 297385 70.57
South Central Connecticut Planning Region 286550 67.88
Naugatuck Valley Planning Region 231915 68.66
Southeastern Connecticut Planning Region 168125 78.28
Greater Bridgeport Planning Region 139105 62.72
Lower Connecticut River Valley Planning Region 120245 85.57
Northwest Hills Planning Region 78485 88.45
Northeastern Connecticut Planning Region 69645 91.30