| County | Ballots Cast | Registered Voters | Voter Turnout |
| Abbeville | 10,880 | 15,351 | 70.87 % |
| Aiken | 75,549 | 110,956 | 68.09 % |
| Allendale | 3,627 | 6,035 | 60.10 % |
| Anderson | 81,212 | 118,564 | 68.50 % |
| Bamberg | 6,282 | 9,688 | 64.84 % |
| Barnwell | 9,568 | 13,797 | 69.35 % |
| Beaufort | 79,571 | 111,976 | 71.06 % |
| Berkeley | 80,188 | 117,906 | 68.01 % |
| Calhoun | 7,631 | 10,794 | 70.70 % |
| Charleston | 178,249 | 277,036 | 64.34 % |
| Cherokee | 21,892 | 32,085 | 68.23 % |
| Chester | 14,311 | 20,979 | 68.22 % |
| Chesterfield | 16,763 | 26,195 | 63.99 % |
| Clarendon | 15,583 | 23,771 | 65.55 % |
| Colleton | 17,438 | 25,270 | 69.01 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| Darlington | 29,901 | 44,307 | 67.49 % |
| Dillon | 11,797 | 20,037 | 58.88 % |
| Dorchester | 63,138 | 99,789 | 63.27 % |
| Edgefield | 11,754 | 16,728 | 70.27 % |
| Fairfield | 11,401 | 15,885 | 71.77 % |
| Florence | 58,433 | 87,689 | 66.64 % |
| Georgetown | 32,051 | 42,782 | 74.92 % |
| Greenville | 217,378 | 312,676 | 69.52 % |
| Greenwood | 29,209 | 41,698 | 70.05 % |
| Hampton | 8,885 | 12,991 | 68.39 % |
| Horry | 134,228 | 204,929 | 65.50 % |
| Jasper | 11,508 | 17,883 | 64.35 % |
| Kershaw | 29,294 | 41,676 | 70.29 % |
| Lancaster | 39,321 | 54,859 | 71.68 % |
| Laurens | 26,881 | 39,516 | 68.03 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| Lee | 8,233 | 12,205 | 67.46 % |
| Lexington | 123,292 | 176,239 | 69.96 % |
| Marion | 14,416 | 22,314 | 64.61 % |
| Marlboro | 10,491 | 18,477 | 56.78 % |
| McCormick | 5,285 | 7,093 | 74.51 % |
| Newberry | 17,004 | 23,531 | 72.26 % |
| Oconee | 33,984 | 50,114 | 67.81 % |
| Orangeburg | 39,255 | 58,756 | 66.81 % |
| Pickens | 49,491 | 68,808 | 71.93 % |
| Richland | 170,224 | 252,739 | 67.35 % |
| Saluda | 8,664 | 11,817 | 73.32 % |
| Spartanburg | 122,224 | 177,635 | 68.81 % |
| Sumter | 44,431 | 68,619 | 64.75 % |
| Union | 12,217 | 17,573 | 69.52 % |
| Williamsburg | 15,181 | 22,646 | 67.04 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| York | 115,269 | 167,053 | 69.00 % |
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