Ranking of South Carolina Counties By Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.21M people in South Carolina with Unclassified ancestry. Among all South Carolina counties, Greenville County had the highest population with Unclassified ancestry (122.79K), followed by Richland County (103.92K), and Spartanburg County (86.68K).
The chart and table below shows the top 10 counties with high number of people with Unclassified 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 Population with Unclassified Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Greenville County | 122788 |
| 2 | Richland County | 103923 |
| 3 | Spartanburg County | 86675 |
| 4 | Lexington County | 76273 |
| 5 | Charleston County | 66092 |
| 6 | Berkeley County | 64808 |
| 7 | Horry County | 62429 |
| 8 | Anderson County | 61522 |
| 9 | York County | 51415 |
| 10 | Beaufort County | 44218 |
| 11 | Pickens County | 40200 |
| 12 | Aiken County | 35245 |
| 13 | Dorchester County | 34698 |
| 14 | Florence County | 30620 |
| 15 | Greenwood County | 28879 |
| 16 | Lancaster County | 24190 |
| 17 | Oconee County | 21901 |
| 18 | Sumter County | 21202 |
| 19 | Laurens County | 20206 |
| 20 | Chesterfield County | 15547 |
| 21 | Darlington County | 15140 |
| 22 | Kershaw County | 15127 |
| 23 | Cherokee County | 14053 |
| 24 | Orangeburg County | 12841 |
| 25 | Abbeville County | 11296 |
| 26 | Union County | 10177 |
| 27 | Georgetown County | 10014 |
| 28 | Colleton County | 9396 |
| 29 | Newberry County | 9363 |
| 30 | Jasper County | 9233 |
| 31 | Clarendon County | 7308 |
| 32 | Williamsburg County | 7090 |
| 33 | Edgefield County | 6768 |
| 34 | Chester County | 6392 |
| 35 | Marlboro County | 6235 |
| 36 | Barnwell County | 5881 |
| 37 | Saluda County | 5431 |
| 38 | Marion County | 5214 |
| 39 | Hampton County | 5077 |
| 40 | Dillon County | 4793 |
| 41 | Fairfield County | 4043 |
| 42 | McCormick County | 3863 |
| 43 | Calhoun County | 3520 |
| 44 | Bamberg County | 3194 |
| 45 | Lee County | 2835 |
| 46 | Allendale County | 1006 |
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