Connecticut Non-Hispanic White Alone Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the Non-Hispanic White Alone citizen population for Connecticut was 3,196,310 and represented 95.81% of the total Connecticut citizen population.

Among all Connecticut counties, Fairfield had the highest Non-Hispanic White Alone citizen population (577.34K), followed by Hartford (556.53K), and New Haven (552.78K).

In terms of percentages, Litchfield had the highest percentage of its citizen population being Non-Hispanic White Alone (92.09%), followed by Tolland (88.28%), and Middlesex (86.58%).

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 2015
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County Citizen Population % of County Citizen Population
Fairfield 577335 69.56
Hartford 556525 66.83
New Haven 552775 68.35
New London 207935 78.87
Litchfield 165985 92.09
Middlesex 138205 86.58
Tolland 129715 88.28
Windham 97935 85.75