Delaware White Alone Voting-age Population By County in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, as at April 2020, among all the Delaware voting-age population (18 years and over), there were 500,550 people who identified their race as White Alone, which is 63.88% of the total voting-age population of Delaware.

New Castle County had the highest number of White Alone voting-age population (262,338), followed by Sussex County (151,500), and Kent County (86,712).

On the other hand, the three counties with low number of White Alone voting-age population were: Kent County (86,712), Sussex County (151,500), and New Castle County (262,338).

In terms of the percentage of each county's voting-age population, Sussex County had the highest percentage, with 78.15% of its voting-age population identifying their race as White Alone, followed by Kent County (62.02%), and New Castle County (58.31%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Delaware.

Hover over or click on the counties to see the number and percentage of each county's voting-age population that identified as White Alone. The data can also be filtered, sorted, and explored further in a table below.

Delaware White Alone Voting-age Population By County in Census 2020
Delaware White Alone Voting-age Population By County in Census 2020
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County White Alone Voting-age Population % of County Voting-age Population
Kent County 86712 62.02
New Castle County 262338 58.31
Sussex County 151500 78.15