Delaware Non-Hispanic White Alone Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic White Alone citizen population for Delaware was 3,190,265 and represented 345.46% of the total Delaware citizen population.

Among all Delaware counties, New Castle had the highest Non-Hispanic White Alone citizen population (314.11K), followed by Sussex (172.32K), and Kent (108.57K).

In terms of percentages, Sussex had the highest percentage of its citizen population being Non-Hispanic White Alone (77.91%), followed by Kent (62.26%), and New Castle (59.50%).

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:
Delaware Non-Hispanic White Alone Citizen Population By County in 2020
Delaware Non-Hispanic White Alone Citizen Population By County in 2020
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County Citizen Population % of County Citizen Population
New Castle 314105 59.50
Sussex 172315 77.91
Kent 108570 62.26