| County Number | SC Counties | Cases of 25-29 year olds with syphilis over 1990 - 1999 divided by population | County / State Ratio |
|---|---|---|---|
| 1 | Pickens County | 0.04 | 0.03 |
| 2 | Oconee County | 0.24 | 0.18 |
| 3 | Berkeley County | 0.35 | 0.27 |
| 4 | Lexington County | 0.45 | 0.34 |
| 5 | Kershaw County | 0.46 | 0.35 |
| 6 | Anderson County | 0.56 | 0.43 |
| 7 | Greenville County | 0.58 | 0.45 |
| 8 | Edgefield County | 0.58 | 0.45 |
| 9 | Dorchester County | 0.62 | 0.48 |
| 10 | McCormick County | 0.63 | 0.49 |
| 11 | Jasper County | 0.66 | 0.51 |
| 12 | Beaufort County | 0.68 | 0.52 |
| 13 | Chesterfield County | 0.73 | 0.56 |
| 14 | Aiken County | 0.74 | 0.57 |
| 15 | Abbeville County | 0.77 | 0.60 |
| 16 | Spartanburg County | 0.88 | 0.67 |
| 17 | Laurens County | 0.89 | 0.68 |
| 18 | Horry County | 0.95 | 0.73 |
| 19 | York County | 1.03 | 0.79 |
| 20 | Calhoun County | 1.06 | 0.82 |
| 21 | Charleston County | 1.18 | 0.91 |
| 22 | Dillon County | 1.26 | 0.97 |
| 23 | Hampton County | 1.27 | 0.97 |
| 24 | Union County | 1.30 | 1.00 |
| 25 | Richland County | 1.39 | 1.07 |
| 26 | Colleton County | 1.47 | 1.13 |
| 27 | Marion County | 1.62 | 1.24 |
| 28 | Clarendon County | 1.63 | 1.26 |
| 29 | Georgetown County | 1.67 | 1.28 |
| 30 | Saluda County | 1.70 | 1.31 |
| 31 | Fairfield County | 1.72 | 1.33 |
| 32 | Lee County | 1.80 | 1.39 |
| 33 | Lancaster County | 1.83 | 1.40 |
| 34 | Barnwell County | 1.89 | 1.45 |
| 35 | Cherokee County | 2.01 | 1.55 |
| 36 | Newberry County | 2.06 | 1.58 |
| 37 | Sumter County | 2.21 | 1.70 |
| 38 | Chester County | 2.25 | 1.73 |
| 39 | Allendale County | 2.58 | 1.98 |
| 40 | Florence County | 2.66 | 2.04 |
| 41 | Greenwood County | 2.72 | 2.09 |
| 42 | Williamsburg County | 2.75 | 2.12 |
| 43 | Darlington County | 2.86 | 2.20 |
| 44 | Orangeburg County | 3.25 | 2.50 |
| 45 | Marlboro County | 3.34 | 2.57 |
| 46 | Bamberg County | 3.36 | 2.58 |
| 47 | South Carolina | 1.30 |