| County Number | S.C. Counties | S.C. Young Adults Ages 18-24 Meeting Criteria for Dependence and Abuse for Drugs | County / State Ratio |
|---|---|---|---|
| 1 | Chesterfield County | 4.3 | 0.68 |
| 2 | Clarendon County | 4.3 | 0.68 |
| 3 | Darlington County | 4.3 | 0.68 |
| 4 | Dillon County | 4.3 | 0.68 |
| 5 | Florence County | 4.3 | 0.68 |
| 6 | Georgetown County | 4.3 | 0.68 |
| 7 | Horry County | 4.3 | 0.68 |
| Lee County | 4.3 | 0.68 | |
| 9 | Marion County | 4.3 | 0.68 |
| 10 | Marlboro County | 4.3 | 0.68 |
| 11 | Sumter County | 4.3 | 0.68 |
| 12 | Williamsburg County | 4.3 | 0.68 |
| 13 | Abbeville County | 4.6 | 0.73 |
| 14 | Chester County | 4.6 | 0.73 |
| 15 | Edgefield County | 4.6 | 0.73 |
| 16 | Fairfield County | 4.6 | 0.73 |
| 17 | Greenwood County | 4.6 | 0.73 |
| 18 | Kershaw County | 4.6 | 0.73 |
| 19 | Lancaster County | 4.6 | 0.73 |
| 20 | Laurens County | 4.6 | 0.73 |
| 21 | Lexington County | 4.6 | 0.73 |
| 22 | McCormick County | 4.6 | 0.73 |
| 23 | Newberry County | 4.6 | 0.73 |
| 24 | Richland County | 4.6 | 0.73 |
| 25 | Saluda County | 4.6 | 0.73 |
| 26 | York County | 4.6 | 0.73 |
| 27 | Aiken County | 7.3 | 1.16 |
| 28 | Allendale County | 7.3 | 1.16 |
| Bamberg County | 7.3 | 1.16 | |
| 30 | Barnwell County | 7.3 | 1.16 |
| 31 | Beaufort County | 7.3 | 1.16 |
| 32 | Berkeley County | 7.3 | 1.16 |
| 33 | Calhoun County | 7.3 | 1.16 |
| 34 | Charleston County | 7.3 | 1.16 |
| 35 | Colleton County | 7.3 | 1.16 |
| 36 | Dorchester County | 7.3 | 1.16 |
| 37 | Hampton County | 7.3 | 1.16 |
| 38 | Jasper County | 7.3 | 1.16 |
| 39 | Orangeburg County | 7.3 | 1.16 |
| 40 | Anderson County | 8.9 | 1.41 |
| 41 | Cherokee County | 8.9 | 1.41 |
| 42 | Greenville County | 8.9 | 1.41 |
| 43 | Oconee County | 8.9 | 1.41 |
| 44 | Pickens County | 8.9 | 1.41 |
| 45 | Spartanburg County | 8.9 | 1.41 |
| 46 | Union County | 8.9 | 1.41 |
| 47 | South Carolina | 6.3 |