| Rank* | County | All | White | AA&O |
|---|---|---|---|---|
| 1 | Lexington County | 3.3 | 2.6 | 5.9 |
| 2 | Greenville County | 3.5 | 3.2 | 5.7 |
| 3 | Horry County | 3.6 | 2.4 | 8.7 |
| 4 | Dorchester County | 3.7 | 3.2 | 4.7 |
| 5 | Berkeley County | 3.8 | 2.9 | 5.8 |
| 6 | Saluda County | 3.8 | 3.1 | 5.7 |
| 7 | Richland County | 3.9 | 1.5 | 6.1 |
| 8 | York County | 3.9 | 3.3 | 6.5 |
| 9 | Beaufort County | 4.1 | 2.5 | 9.1 |
| 10 | Abbeville County | 4.2 | 3.3 | 6.0 |
| 11 | Georgetown County | 4.2 | 2.7 | 6.2 |
| 12 | Anderson County | 4.3 | 3.8 | 5.6 |
| 13 | Barnwell County | 4.3 | 2.5 | 6.0 |
| 14 | Charleston County | 4.4 | 1.7 | 8.9 |
| 15 | Chesterfield County | 4.4 | 2.3 | 6.9 |
| 16 | Calhoun County | 4.5 | 3.3 | 5.8 |
| 17 | Kershaw County | 4.6 | 3.8 | 6.5 |
| 18 | Lancaster County | 4.6 | 3.6 | 7.3 |
| 19 | Williamsburg County | 4.6 | 3.4 | 5.1 |
| 20 | Aiken County | 4.7 | 3.0 | 8.7 |
| 21 | Oconee County | 4.7 | 4.4 | 9.5 |
| 22 | Newberry County | 4.8 | 3.0 | 7.5 |
| 23 | Orangeburg County | 4.8 | 3.1 | 5.6 |
| 24 | Pickens County | 4.8 | 4.7 | 6.5 |
| 25 | Sumter County | 5.2 | 2.9 | 7.8 |
| 26 | Bamberg County | 5.4 | 6.8 | 4.9 |
| 27 | Florence County | 5.4 | 2.9 | 8.3 |
| 28 | Spartanburg County | 5.6 | 4.4 | 10.3 |
| 29 | Darlington County | 5.8 | 4.1 | 7.7 |
| 30 | Colleton County | 5.9 | 4.2 | 7.5 |
| 31 | Edgefield County | 5.9 | 2.1 | 11.3 |
| 32 | Clarendon County | 6.0 | 3.2 | 7.9 |
| 33 | Hampton County | 6.0 | 4.4 | 7.1 |
| 34 | Greenwood County | 6.6 | 5.8 | 8.6 |
| 35 | Laurens County | 6.7 | 5.7 | 9.0 |
| 36 | Cherokee County | 6.8 | 6.3 | 8.5 |
| 37 | Lee County | 6.8 | 4.3 | 7.8 |
| 38 | Dillon County | 7.0 | 5.3 | 8.9 |
| 39 | Marlboro County | 7.1 | 5.4 | 8.1 |
| 40 | Marion County | 7.2 | 3.3 | 9.1 |
| 41 | Chester County | 7.5 | 4.0 | 11.6 |
| 42 | Fairfield County | 7.9 | 4.1 | 9.9 |
| 43 | Union County | 8.3 | 7.1 | 10.8 |
| 44 | Jasper County | 9.0 | 7.7 | 10.6 |
| 45 | McCormick County | 10.3 | 4.0 | 13.2 |
| 46 | Allendale County | 14.2 | 2.9 | 17.2 |
| - | South Carolina | 4.6 | 3.2 | 7.5 |
* 1 is best, 46 is worst.