| County Number | County | Rate of AIDS per 100,000, 1983-2000 | County / State Ratio |
|---|---|---|---|
| 1 | Abbeville County | 68.9 | 0.28 |
| 2 | Oconee County | 78.4 | 0.32 |
| 3 | Pickens County | 86.0 | 0.35 |
| 4 | Chester County | 108.8 | 0.44 |
| 5 | Cherokee County | 113.8 | 0.46 |
| 6 | Anderson County | 114.3 | 0.47 |
| 7 | Union County | 121.9 | 0.50 |
| 8 | Lancaster County | 124.2 | 0.51 |
| 9 | York County | 127.7 | 0.52 |
| 10 | Berkeley County | 130.7 | 0.53 |
| 11 | Chesterfield County | 137.2 | 0.56 |
| 12 | Laurens County | 154.7 | 0.63 |
| 13 | Newberry County | 160.0 | 0.65 |
| 14 | Beaufort County | 161.1 | 0.66 |
| 15 | Lexington County | 166.5 | 0.68 |
| 16 | Greenwood County | 172.6 | 0.70 |
| 17 | Spartanburg County | 174.7 | 0.71 |
| 18 | Aiken County | 183.9 | 0.75 |
| 19 | Dorchester County | 192.1 | 0.78 |
| 20 | Fairfield County | 208.2 | 0.85 |
| 21 | McCormick County | 208.2 | 0.85 |
| 22 | Greenville County | 210.1 | 0.86 |
| 23 | Calhoun County | 210.7 | 0.86 |
| 24 | Dillon County | 212.0 | 0.86 |
| 25 | Saluda County | 217.9 | 0.89 |
| 26 | Horry County | 226.8 | 0.92 |
| 27 | Kershaw County | 243.5 | 0.99 |
| 28 | Lee County | 246.1 | 1.00 |
| 29 | Darlington County | 249.7 | 1.02 |
| 30 | Hampton County | 256.4 | 1.05 |
| 31 | Edgefield County | 260.1 | 1.06 |
| 32 | Georgetown County | 278.5 | 1.14 |
| 33 | Florence County | 283.5 | 1.16 |
| 34 | Barnwell County | 303.0 | 1.24 |
| 35 | Colleton County | 313.3 | 1.28 |
| 36 | Allendale County | 326.7 | 1.33 |
| 37 | Williamsburg County | 358.3 | 1.46 |
| 38 | Marlboro County | 359.4 | 1.47 |
| 39 | Sumter County | 374.5 | 1.53 |
| 40 | Charleston County | 378.5 | 1.54 |
| 41 | Marion County | 380.0 | 1.55 |
| 42 | Clarendon County | 381.9 | 1.56 |
| 43 | Orangeburg County | 406.8 | 1.66 |
| 44 | Jasper County | 446.8 | 1.82 |
| 45 | Bamberg County | 509.5 | 2.08 |
| 46 | Richland County | 558.8 | 2.28 |
| 47 | South Carolina | 245.2 |