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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.21M people in South Carolina with Unclassified ancestry (23.79% of South Carolina population). Among all South Carolina counties, Abbeville County had the highest percentage of its population with Unclassified ancestry (46.34%), followed by Greenwood County (41.65%), and McCormick County (40.31%).

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

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