Connecticut Non-Hispanic White Alone Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Non-Hispanic White Alone citizen population for Connecticut was 3,246,485 and represented 96.62% of the total Connecticut citizen population.

Among all Connecticut counties, Fairfield had the highest Non-Hispanic White Alone citizen population (556.95K), followed by Hartford (524.20K), and New Haven (516.67K).

In terms of percentages, Litchfield had the highest percentage of its citizen population being Non-Hispanic White Alone (88.81%), followed by Tolland (85.95%), and Middlesex (84.75%).

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 2021
Connecticut Non-Hispanic White Alone Citizen Population By County in 2021
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County Citizen Population % of County Citizen Population
Fairfield 556945 65.53
Hartford 524200 62.30
New Haven 516670 63.71
New London 199500 76.80
Litchfield 159280 88.81
Middlesex 135525 84.75
Tolland 124685 85.95
Windham 94760 83.48