Ranking of South Carolina Counties By Percentage of Population with Welsh Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 25.49K people in South Carolina with Welsh ancestry (0.50% of South Carolina population). Among all South Carolina counties, Chester County had the highest percentage of its population with Welsh ancestry (1.08%), followed by Darlington County (0.88%), and Greenville County (0.77%).

The chart and table below shows the top 10 counties with high percentage of its population having Welsh ancestry.

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