| Rank* | County | All | White | African-American and Other |
|---|---|---|---|---|
| 1 | Greenville | 9.8 | 7.9 | 15.7 |
| 2 | Richland | 10.7 | 5.4 | 14.7 |
| 3 | Lexington | 10.8 | 9.1 | 16.9 |
| 4 | Beaufort | 10.8 | 8.5 | 16.9 |
| 5 | Charleston | 11.2 | 6.2 | 18.6 |
| 6 | Dorchester | 11.2 | 9.6 | 15.0 |
| 7 | Horry | 11.8 | 10.1 | 17.3 |
| 8 | Hampton | 11.9 | 6.3 | 15.5 |
| 9 | Calhoun | 12.0 | 6.3 | 17.0 |
| 10 | York | 12.0 | 9.6 | 19.5 |
| 11 | Berkeley | 12.1 | 11.1 | 14.1 |
| 12 | Saluda | 12.7 | 11.2 | 16.7 |
| 13 | McCormick | 13.0 | 3.3 | 19.1 |
| 14 | Pickens | 13.0 | 12.9 | 13.5 |
| 15 | Jasper | 13.6 | 11.6 | 16.5 |
| 16 | Anderson | 13.6 | 12.5 | 18.3 |
| 17 | Oconee | 13.7 | 13.3 | 17.8 |
| 18 | Newberry | 13.8 | 10.5 | 19.7 |
| 19 | Florence | 13.9 | 9.2 | 18.1 |
| 20 | Edgefield | 14.5 | 9.2 | 20.7 |
| 21 | Fairfield | 14.6 | 10.2 | 16.6 |
| 22 | Orangeburg | 14.9 | 12.7 | 15.9 |
| 23 | Sumter | 15.0 | 9.6 | 20.4 |
| 24 | Aiken | 15.1 | 12.0 | 21.9 |
| 25 | Darlington | 15.5 | 12.9 | 18.2 |
| 26 | Georgetown | 15.8 | 12.3 | 20.3 |
| 27 | Spartanburg | 15.9 | 13.4 | 23.3 |
| 28 | Greenwood | 16.2 | 14.1 | 19.8 |
| 29 | Chesterfield | 16.3 | 13.1 | 20.9 |
| 30 | Barnwell | 16.4 | 13.7 | 18.8 |
| 31 | Abbeville | 16.7 | 14.3 | 21.8 |
| 32 | Marion | 17.1 | 11.7 | 19.7 |
| 33 | Bamberg | 17.3 | 5.8 | 21.6 |
| 34 | Chester | 17.3 | 13.4 | 22.1 |
| 35 | Kershaw | 17.4 | 16.2 | 20.4 |
| 36 | Clarendon | 17.8 | 13.8 | 20.5 |
| 37 | Marlboro | 18.0 | 16.9 | 18.7 |
| 38 | Lancaster | 18.1 | 15.2 | 23.6 |
| 39 | Dillon | 18.1 | 15.7 | 20.2 |
| 40 | Williamsburg | 18.2 | 8.8 | 21.3 |
| 41 | Cherokee | 18.3 | 16.7 | 22.7 |
| 42 | Laurens | 18.4 | 16.2 | 23.7 |
| 43 | Lee | 18.4 | 9.4 | 21.8 |
| 44 | Colleton | 19.3 | 14.7 | 24.7 |
| 45 | Union | 22.7 | 23.3 | 21.5 |
| 46 | Allendale | 25.2 | 14.8 | 27.3 |
| South Carolina | 13.2 | 10.4 | 18.2 |
* 1 is best, 46 is worst.