| County | Ballots Cast | Registered Voters | Voter Turnout |
| Abbeville | 10,708 | 14,759 | 72.55 % |
| Aiken | 66,495 | 102,274 | 65.02 % |
| Allendale | 4,223 | 5,793 | 72.90 % |
| Anderson | 72,596 | 108,008 | 67.21 % |
| Bamberg | 6,940 | 9,632 | 72.05 % |
| Barnwell | 9,992 | 13,740 | 72.72 % |
| Beaufort | 73,676 | 106,882 | 68.93 % |
| Berkeley | 54,848 | 103,826 | 52.83 % |
| Calhoun | 7,928 | 10,337 | 76.70 % |
| Charleston | 145,737 | 243,851 | 59.76 % |
| Cherokee | 20,902 | 31,560 | 66.23 % |
| Chester | 14,426 | 20,345 | 70.91 % |
| Chesterfield | 16,716 | 24,360 | 68.62 % |
| Clarendon | 16,129 | 22,982 | 70.18 % |
| Colleton | 17,206 | 23,870 | 72.08 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| Darlington | 30,316 | 42,020 | 72.15 % |
| Dillon | 13,325 | 19,865 | 67.08 % |
| Dorchester | 56,628 | 87,381 | 64.81 % |
| Edgefield | 11,671 | 15,924 | 73.29 % |
| Fairfield | 11,984 | 15,615 | 76.75 % |
| Florence | 58,236 | 83,379 | 69.84 % |
| Georgetown | 31,174 | 41,094 | 75.86 % |
| Greenville | 192,751 | 286,438 | 67.29 % |
| Greenwood | 28,777 | 40,304 | 71.40 % |
| Hampton | 9,277 | 12,831 | 72.30 % |
| Horry | 105,363 | 170,713 | 61.72 % |
| Jasper | 10,096 | 14,455 | 69.84 % |
| Kershaw | 27,287 | 39,122 | 69.75 % |
| Lancaster | 33,337 | 47,443 | 70.27 % |
| Laurens | 25,701 | 36,903 | 69.64 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| Lee | 8,999 | 12,090 | 74.43 % |
| Lexington | 112,764 | 162,566 | 69.37 % |
| Marion | 14,895 | 21,652 | 68.79 % |
| Marlboro | 11,770 | 17,658 | 66.66 % |
| McCormick | 5,202 | 6,682 | 77.85 % |
| Newberry | 16,400 | 22,430 | 73.12 % |
| Oconee | 30,918 | 45,472 | 67.99 % |
| Orangeburg | 43,100 | 60,523 | 71.21 % |
| Pickens | 45,691 | 64,107 | 71.27 % |
| Richland | 124,095 | 244,721 | 50.71 % |
| Saluda | 8,624 | 11,319 | 76.19 % |
| Spartanburg | 108,966 | 160,319 | 67.97 % |
| Sumter | 47,567 | 67,267 | 70.71 % |
| Union | 12,601 | 17,281 | 72.92 % |
| Williamsburg | 16,509 | 21,989 | 75.08 % |
| County | Ballots Cast | Registered Voters | Voter Turnout |
| York | 100,041 | 143,339 | 69.79 % |
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