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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 103.60K people in South Carolina with Scotch Irish ancestry (2.04% of South Carolina population). Among all South Carolina counties, York County had the highest percentage of its population with Scotch Irish ancestry (3.95%), followed by Clarendon County (3.13%), and Chester County (3.07%).

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

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