| County | Black Percentage of Total Population |
| Allendale |  73 |
| Williamsburg | 66 |
| Lee | 64 |
| Orangeburg | 62 |
| Bamberg | 61 |
| Fairfield | 59 |
| Marion | 56 |
| Hampton | 54 |
| Marlboro | 51 |
| McCormick | 50 |
| Clarendon | 49 |
| Sumter | 47 |
| Richland | 47 |
| Dillon | 46 |
| Jasper | 46 |
| Barnwell | 44 |
| Calhoun | 43 |
| Florence | 42 |
| Darlington | 41 |
| Colleton | 39 |
| Chester | 38 |
| Edgefield | 37 |
| Georgetown | 33 |
| Chesterfield | 33 |
| Greenwood | 32 |
| Union | 31 |
| Newberry | 31 |
| Charleston | 29 |
| Abbeville | 28 |
| Saluda | 26 |
| Dorchester | 26 |
| Laurens | 26 |
| Berkeley | 25 |
| Kershaw | 25 |
| Aiken | 25 |
| Lancaster | 24 |
| Spartanburg | 21 |
| Cherokee | 21 |
| Beaufort | 19 |
| York | 19 |
| Greenville | 19 |
| Anderson | 17 |
| Lexington | 15 |
| Horry | 14 |
| Oconee | 8 |
| Pickens | 7 |