Ranking of Delaware Counties By Percentage of Population with British Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.59K people in Delaware with British ancestry (0.57% of Delaware population). Among all Delaware counties, Sussex County had the highest percentage of its population with British ancestry (0.76%), followed by New Castle County (0.52%), and Kent County (0.47%).

The chart and table below shows the top 3 counties with high percentage of its population having British ancestry.

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