Ranking of Delaware Counties By White Alone Voting-age Population from Census 2020

Updated on February 22, 2026.

According to the data from the United States 2020 decennial Census, as at April 2020, among all Delaware counties, New Castle County had the highest voting-age population who identified their race as White Alone (262.34K), followed by Sussex County (151.50K), and Kent County (86.71K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Delaware counties based on White Alone voting-age population.

You can see similar ranking information for other states. You can also see similar rankings for other racial groups in Delaware.

Ranking of Delaware Counties By White Alone Voting-age Population from Census 2020
New Castle
Sussex
Kent
Ranking of Delaware Counties By White Alone Voting-age Population from Census 2020
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Rank County White Alone Voting-age Population
1 New Castle County 262338
2 Sussex County 151500
3 Kent County 86712