Connecticut Non-Hispanic Black or African American 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 Black Alone citizen population for Connecticut was 1,315,935 and represented 39.17% of the total Connecticut citizen population.

Among all Connecticut counties, Hartford had the highest Non-Hispanic Black Alone citizen population (106.78K), followed by New Haven (105.46K), and Fairfield (91.19K).

In terms of percentages, New Haven had the highest percentage of its citizen population being Non-Hispanic Black Alone (13.00%), followed by Hartford (12.69%), and Fairfield (10.73%).

The chart and table below shows the Non-Hispanic Black Alone citizen population of each county and the percentage of each county's citizen population that were Non-Hispanic Black 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 Black or African American Alone Citizen Population By County in 2021
Connecticut Non-Hispanic Black or African American Alone Citizen Population By County in 2021
Items per page:
0 of 0
County Citizen Population % of County Citizen Population
Hartford 106780 12.69
New Haven 105455 13.00
Fairfield 91190 10.73
New London 13205 5.08
Middlesex 7505 4.69
Tolland 4100 2.83
Litchfield 2975 1.66
Windham 1950 1.72