Ranking of Delaware Counties By Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 282.46K people in Delaware with Other Groups ancestry. Among all Delaware counties, New Castle County had the highest population with Other Groups ancestry (167.51K), followed by Kent County (57.70K), and Sussex County (57.26K).

The chart and table below shows the top 3 counties with high number of people with Other Groups 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 Other Groups Ancestry in 2021
New Castle County
Kent County
Sussex County
Ranking of Delaware Counties By Population with Other Groups Ancestry in 2021
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Rank County Population
1 New Castle County 167506
2 Kent County 57699
3 Sussex County 57256