| Rank* | County | All | White | AA&O |
|---|---|---|---|---|
| 1 | Williamsburg County | 1.9 | 1.6 | 2.0 |
| 2 | Dorchester County | 2.1 | 1.8 | 2.7 |
| 3 | Pickens County | 2.2 | 2.2 | 2.4 |
| 4 | Bamberg County | 2.4 | 3.1 | 2.2 |
| 5 | York County | 2.4 | 2.2 | 2.9 |
| 6 | Chesterfield County | 2.5 | 1.5 | 3.9 |
| 7 | Lancaster County | 2.5 | 1.7 | 3.7 |
| 8 | Abbeville County | 2.6 | 1.8 | 4.1 |
| 9 | Barnwell County | 2.6 | 1.8 | 3.4 |
| 10 | Greenville County | 2.6 | 2.3 | 3.4 |
| 11 | Lexington County | 2.6 | 2.2 | 4.3 |
| 12 | Richland County | 2.6 | 1.2 | 3.7 |
| 13 | Berkeley County | 2.8 | 2.4 | 3.5 |
| 14 | Calhoun County | 2.8 | 2.6 | 2.9 |
| 15 | Horry County | 2.8 | 2.0 | 4.6 |
| 16 | Orangeburg County | 2.8 | 2.2 | 3.0 |
| 17 | Aiken County | 2.9 | 2.0 | 4.5 |
| 18 | Anderson County | 3.0 | 2.6 | 4.2 |
| 19 | Edgefield County | 3.0 | 1.2 | 5.1 |
| 20 | Georgetown County | 3.0 | 2.8 | 3.1 |
| 21 | Newberry County | 3.0 | 2.4 | 3.8 |
| 22 | Saluda County | 3.0 | 2.8 | 3.4 |
| 23 | Charleston County | 3.1 | 1.7 | 4.6 |
| 24 | Florence County | 3.1 | 1.9 | 4.3 |
| 25 | Kershaw County | 3.2 | 2.9 | 3.5 |
| 26 | Clarendon County | 3.3 | 2.2 | 3.9 |
| 27 | Darlington County | 3.3 | 2.6 | 4.0 |
| 28 | Hampton County | 3.3 | 3.3 | 3.3 |
| 29 | Sumter County | 3.3 | 2.2 | 4.1 |
| 30 | Laurens County | 3.4 | 2.8 | 4.6 |
| 31 | Colleton County | 3.5 | 3.2 | 3.9 |
| 32 | McCormick County | 3.5 | 1.5 | 4.5 |
| 33 | Oconee County | 3.5 | 3.3 | 4.6 |
| 34 | Spartanburg County | 3.6 | 3.2 | 4.7 |
| 35 | Beaufort County | 3.7 | 2.8 | 5.0 |
| 36 | Greenwood County | 3.7 | 3.3 | 4.4 |
| 37 | Marion County | 3.8 | 1.6 | 4.7 |
| 38 | Chester County | 4.0 | 2.4 | 5.4 |
| 39 | Lee County | 4.0 | 1.4 | 4.9 |
| 40 | Marlboro County | 4.0 | 3.5 | 3.9 |
| 41 | Cherokee County | 4.1 | 3.8 | 4.7 |
| 42 | Union County | 4.2 | 3.6 | 5.2 |
| 43 | Dillon County | 4.5 | 4.1 | 4.8 |
| 44 | Fairfield County | 5.0 | 2.7 | 5.9 |
| 45 | Jasper County | 6.0 | 7.2 | 5.4 |
| 46 | Allendale County | 8.4 | 2.0 | 9.7 |
| - | South Carolina | 3.0 | 2.3 | 4.0 |
* 1 is best, 46 is worst.