| #1 | Beaufort County, South Carolina | 195,289 | $86,573 | 71.9 |
| #2 | York County, South Carolina | 293,673 | $89,095 | 69.2 |
| #3 | Lexington County, South Carolina | 304,887 | $77,408 | 69 |
| #4 | Charleston County, South Carolina | 420,264 | $88,494 | 68.6 |
| #5 | Berkeley County, South Carolina | 246,802 | $84,358 | 68.2 |
| #6 | Greenville County, South Carolina | 548,166 | $76,932 | 67.2 |
| #7 | Edgefield County, South Carolina | 27,476 | $73,029 | 63.2 |
| #8 | Lancaster County, South Carolina | 104,475 | $78,869 | 62.8 |
| #9 | Aiken County, South Carolina | 174,160 | $70,609 | 61.3 |
| #10 | Spartanburg County, South Carolina | 347,852 | $66,234 | 61.2 |
| #11 | Newberry County, South Carolina | 38,435 | $61,780 | 59 |
| #12 | Horry County, South Carolina | 383,016 | $66,880 | 58.5 |
| #13 | Kershaw County, South Carolina | 68,314 | $68,231 | 58.2 |
| #14 | Calhoun County, South Carolina | 14,182 | $58,682 | 57.4 |
| #15 | Abbeville County, South Carolina | 24,420 | $52,935 | 56.3 |
| #16 | Anderson County, South Carolina | 210,478 | $66,651 | 56.3 |
| #17 | Dorchester County, South Carolina | 167,201 | $78,198 | 56.1 |
| #18 | Pickens County, South Carolina | 134,629 | $61,064 | 55.3 |
| #19 | Georgetown County, South Carolina | 64,811 | $68,713 | 55 |
| #20 | Laurens County, South Carolina | 68,666 | $57,623 | 54.6 |
| #21 | Sumter County, South Carolina | 104,725 | $56,693 | 53.5 |
| #22 | Greenwood County, South Carolina | 69,489 | $52,830 | 53 |
| #23 | Florence County, South Carolina | 137,117 | $58,305 | 52.2 |
| #24 | Saluda County, South Carolina | 19,131 | $51,009 | 51.4 |
| #25 | Richland County, South Carolina | 422,117 | $63,784 | 51.2 |
| #26 | Oconee County, South Carolina | 80,469 | $62,388 | 50.4 |
| #27 | McCormick County, South Carolina | 9,760 | $55,798 | 48.9 |
| #28 | Jasper County, South Carolina | 32,166 | $65,613 | 46.6 |
| #29 | Cherokee County, South Carolina | 56,647 | $50,288 | 46.4 |
| #30 | Williamsburg County, South Carolina | 30,282 | $46,213 | 45.6 |
| #31 | Chesterfield County, South Carolina | 43,784 | $49,235 | 45.2 |
| #32 | Clarendon County, South Carolina | 30,986 | $52,401 | 43.1 |
| #33 | Fairfield County, South Carolina | 20,550 | $47,885 | 41.9 |
| #34 | Chester County, South Carolina | 32,182 | $52,458 | 41.2 |
| #35 | Darlington County, South Carolina | 62,558 | $48,581 | 39.9 |
| #36 | Barnwell County, South Carolina | 20,521 | $46,626 | 39.3 |
| #37 | Dillon County, South Carolina | 27,862 | $46,605 | 38.6 |
| #38 | Lee County, South Carolina | 16,166 | $44,760 | 36.3 |
| #39 | Union County, South Carolina | 26,885 | $41,621 | 33.6 |
| #40 | Bamberg County, South Carolina | 13,042 | $44,370 | 33.3 |
| #41 | Orangeburg County, South Carolina | 83,253 | $45,675 | 32.7 |
| #42 | Colleton County, South Carolina | 38,783 | $51,114 | 30.5 |
| #43 | Hampton County, South Carolina | 18,254 | $44,711 | 30.4 |
| #44 | Marion County, South Carolina | 28,664 | $36,301 | 29.7 |
| #45 | Marlboro County, South Carolina | 25,975 | $34,301 | 29.6 |
| #46 | Allendale County, South Carolina | 7,661 | $32,328 | 26 |