Connecticut Non-Hispanic White Alone Citizen 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 population for Connecticut was 3,187,680 and represented 95.71% of the total Connecticut citizen population.

Among all Connecticut counties, Fairfield had the highest Non-Hispanic White Alone citizen population (566.55K), followed by Hartford (539.19K), and New Haven (533.85K).

In terms of percentages, Litchfield had the highest percentage of its citizen population being Non-Hispanic White Alone (90.98%), followed by Tolland (87.31%), and Middlesex (86.05%).

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 2018
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County Citizen Population % of County Citizen Population
Fairfield 566555 67.81
Hartford 539190 64.67
New Haven 533845 66.09
New London 202495 78.13
Litchfield 160600 90.98
Middlesex 136030 86.05
Tolland 127760 87.31
Windham 96190 84.73