Ranking of Delaware Counties By Population with Celtic Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 162 people in Delaware with Celtic ancestry. Among all Delaware counties, New Castle County had the highest population with Celtic ancestry (112), followed by Sussex County (50).

The chart and table below shows the top 2 counties with high number of people with Celtic ancestry.

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