Connecticut Non-Hispanic White Alone Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic White Alone citizen population for Connecticut was 3,190,265 and represented 95.83% of the total Connecticut citizen population.

Among all Connecticut counties, Fairfield had the highest Non-Hispanic White Alone citizen population (557.44K), followed by Hartford (527.14K), and New Haven (519.30K).

In terms of percentages, Litchfield had the highest percentage of its citizen population being Non-Hispanic White Alone (89.58%), followed by Tolland (86.50%), and Middlesex (85.27%).

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 2020
Connecticut Non-Hispanic White Alone Citizen Population By County in 2020
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County Citizen Population % of County Citizen Population
Fairfield 557440 66.34
Hartford 527135 63.13
New Haven 519305 64.58
New London 198950 77.40
Litchfield 157140 89.58
Middlesex 134590 85.27
Tolland 125945 86.50
Windham 95275 83.76