| County Number | County | Visits of 18-29 year olds to the ER due to unintentional injuries over three years (1998-2000) ratioed to population |
|---|---|---|
| 1 | McCormick County | 18.1 |
| 2 | Clarendon County | 18.5 |
| 3 | Allendale County | 19.6 |
| 4 | Bamberg County | 20.4 |
| 5 | Union County | 22.9 |
| 6 | Barnwell County | 23.0 |
| 7 | Hampton County | 23.2 |
| 8 | Chesterfield County | 23.3 |
| 9 | Lee County | 23.3 |
| 10 | Fairfield County | 23.5 |
| 11 | Chester County | 23.6 |
| 12 | Marion County | 23.8 |
| 13 | Darlington County | 24.2 |
| 14 | Williamsburg County | 24.4 |
| 15 | Edgefield County | 24.5 |
| 16 | Florence County | 24.5 |
| 17 | Dillon County | 24.7 |
| 18 | Aiken County | 24.8 |
| 19 | Greenville County | 24.9 |
| 20 | Oconee County | 25.2 |
| 21 | Charleston County | 25.3 |
| 22 | Calhoun County | 25.5 |
| 23 | Spartanburg County | 25.7 |
| 24 | Jasper County | 25.8 |
| 25 | Richland County | 25.9 |
| 26 | Anderson County | 26.0 |
| 27 | York County | 26.2 |
| 28 | Laurens County | 26.4 |
| 29 | Georgetown County | 26.6 |
| 30 | Greenwood County | 26.9 |
| 31 | Orangeburg County | 26.9 |
| 32 | Sumter County | 27.0 |
| 33 | Beaufort County | 27.1 |
| 34 | Pickens County | 27.1 |
| 35 | Abbeville County | 27.2 |
| 36 | Lancaster County | 27.6 |
| 37 | Lexington County | 27.8 |
| 38 | Cherokee County | 28.0 |
| 39 | Horry County | 28.3 |
| 40 | Kershaw County | 28.5 |
| 41 | Colleton County | 28.8 |
| 42 | Berkeley County | 28.9 |
| 43 | Saluda County | 29.0 |
| 44 | Marlboro County | 29.4 |
| 45 | Newberry County | 30.4 |
| 46 | Dorchester County | 31.2 |
| 47 | South Carolina | 26.0 |