Connecticut Non-Hispanic White Alone Citizen 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 population for Connecticut was 3,242,005 and represented 96.74% of the total Connecticut citizen population.

Among all Connecticut counties, Capitol Planning Region had the highest Non-Hispanic White Alone citizen population (590.33K), followed by Western Connecticut Planning Region (367.40K), and South Central Connecticut Planning Region (336.29K).

In terms of percentages, Northeastern Connecticut Planning Region had the highest percentage of its citizen population being Non-Hispanic White Alone (89.35%), followed by Northwest Hills Planning Region (85.84%), and Lower Connecticut River Valley Planning Region (83.35%).

The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen 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 Population By County in 2023
Connecticut Non-Hispanic White Alone Citizen Population By County in 2023
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County Citizen Population % of County Citizen Population
Capitol Planning Region 590325 64.87
Western Connecticut Planning Region 367400 66.72
South Central Connecticut Planning Region 336285 63.37
Naugatuck Valley Planning Region 275800 64.51
Southeastern Connecticut Planning Region 200075 74.50
Greater Bridgeport Planning Region 171650 59.01
Lower Connecticut River Valley Planning Region 141670 83.35
Northwest Hills Planning Region 93485 85.84
Northeastern Connecticut Planning Region 83890 89.35