Delaware Non-Hispanic Black or African American 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 Black Alone citizen population for Delaware was 1,266,075 and represented 143.44% of the total Delaware citizen population.

Among all Delaware counties, New Castle had the highest Non-Hispanic Black Alone citizen population (125.57K), followed by Kent (38.61K), and Sussex (25.18K).

In terms of percentages, New Castle had the highest percentage of its citizen population being Non-Hispanic Black Alone (24.20%), followed by Kent (23.36%), and Sussex (12.68%).

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:
Delaware Non-Hispanic Black or African American Alone Citizen Population By County in 2015
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County Citizen Population % of County Citizen Population
New Castle 125565 24.20
Kent 38610 23.36
Sussex 25180 12.68