Ranking of South Carolina Counties By Percentage of Population with American Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 495.30K people in South Carolina with American ancestry (9.75% of South Carolina population). Among all South Carolina counties, Barnwell County had the highest percentage of its population with American ancestry (20.73%), followed by Aiken County (19.35%), and Chester County (18.62%).
The chart and table below shows the top 10 counties with high percentage of its population having American ancestry.
You can see similar information for other states and for other ancestry groups in South Carolina.
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Related Topics: South Carolina ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of South Carolina Counties By Percentage of Population with American Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Barnwell County | 20.73 |
| 2 | Aiken County | 19.35 |
| 3 | Chester County | 18.62 |
| 4 | Cherokee County | 17.23 |
| 5 | Charleston County | 16.14 |
| 6 | Bamberg County | 15.53 |
| 7 | Georgetown County | 14.83 |
| 8 | Edgefield County | 14.26 |
| 9 | Saluda County | 14.22 |
| 10 | Dillon County | 13.50 |
| 11 | York County | 12.32 |
| 12 | Oconee County | 11.23 |
| 13 | Anderson County | 10.99 |
| 14 | Laurens County | 10.95 |
| 15 | Pickens County | 10.33 |
| 16 | Abbeville County | 10.32 |
| 17 | Lexington County | 10.12 |
| 18 | Newberry County | 10.01 |
| 19 | Marion County | 9.66 |
| 20 | Horry County | 9.59 |
| 21 | Fairfield County | 9.58 |
| 22 | Lancaster County | 9.43 |
| 23 | Greenwood County | 9.38 |
| 24 | Spartanburg County | 9.32 |
| 25 | Allendale County | 9.27 |
| 26 | Kershaw County | 9.26 |
| 27 | Union County | 9.07 |
| 28 | Williamsburg County | 8.53 |
| 29 | Marlboro County | 8.52 |
| 30 | Florence County | 7.98 |
| 31 | Berkeley County | 7.97 |
| 32 | Greenville County | 7.35 |
| 33 | Darlington County | 6.84 |
| 34 | Chesterfield County | 6.72 |
| 35 | Colleton County | 6.69 |
| 36 | Hampton County | 6.45 |
| 37 | Sumter County | 6.40 |
| 38 | Beaufort County | 6.27 |
| 39 | Dorchester County | 6.16 |
| 40 | Calhoun County | 5.80 |
| 41 | Clarendon County | 5.77 |
| 42 | McCormick County | 5.55 |
| 43 | Lee County | 5.48 |
| 44 | Richland County | 5.08 |
| 45 | Jasper County | 4.35 |
| 46 | Orangeburg County | 4.19 |
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