Ranking of Delaware Counties By Population with English Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 94.29K people in Delaware with English ancestry. Among all Delaware counties, New Castle County had the highest population with English ancestry (46.41K), followed by Sussex County (31.15K), and Kent County (16.73K).

The chart and table below shows the top 3 counties with high number of people with English ancestry.

You can see similar information for other states and for other ancestry groups in Delaware.

Data Source: US Census Bureau.
Ranking of Delaware Counties By Population with English Ancestry in 2021
New Castle County
Sussex County
Kent County
Ranking of Delaware Counties By Population with English Ancestry in 2021
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Rank County Population
1 New Castle County 46410
2 Sussex County 31151
3 Kent County 16729