United States Senate election in South Carolina, 2010 Polling Polling

| Poll_source | Dates_administered | Jim_DeMint_R | Alvin_Greene_D | Tom_Clements_G | Other | Undecided |
|---|---|---|---|---|---|---|
| Rasmussen Reports | October 19, 2010 | 58% | 21% | –– | 15% | 6% |
| Winthrop University | October 5–10, 2010 | 58% | 11% | 12% | 3% | 14% |
| Crantford & Associates | October 2, 2010 | 58% | 21% | –– | 10% | 5% |
| Rasmussen Reports | September 22, 2010 | 64% | 21% | –– | 10% | 5% |
| Rasmussen Reports | August 25, 2010 | 63% | 19% | –– | 8% | 10% |
| Rasmussen Reports | August 3, 2010 | 62% | 20% | –– | 7% | 10% |
| Rasmussen Reports | June 10, 2010 | 58% | 21% | –– | 9% | 13% |