| Poll | Date | Sample | McCain | Huckabee | Romney | Thompson | Paul | Giuliani | Spread |
|---|---|---|---|---|---|---|---|---|---|
| Final Results | -- | -- | 33.2 | 29.9 | 15.1 | 15.7 | 3.7 | 2.1 | McCain +3.3 |
| RCP Average | 1/14 - 1/18 | -- | 26.9 | 25.9 | 14.7 | 14.6 | 4.4 | 3.4 | McCain +1.0 |
| Rtrs/CSpan/Zog | 1/17 - 1/18 | 817 LV | 27 | 26 | 16 | 12 | 4 | 3 | McCain +1 |
| ARG | 1/17 - 1/18 | 600 LV | 26 | 33 | 9 | 21 | 2 | 3 | Huckabee +7 |
| InsAdv | 1/17 - 1/17 | 635 LV | 26 | 26 | 13 | 13 | 5 | 5 | Tie |
| SurveyUSA | 1/16 - 1/17 | 699 LV | 31 | 27 | 17 | 16 | 5 | 2 | McCain +4 |
| FOX News | 1/16 - 1/17 | 500 LV | 27 | 20 | 15 | 11 | 4 | 3 | McCain +7 |
| Rasmussen | 1/16 - 1/16 | 895 LV | 24 | 24 | 18 | 16 | 5 | 3 | Tie |
| Mason-Dixon | 1/14 - 1/16 | 400 LV | 27 | 25 | 15 | 13 | 6 | 5 | McCain +2 |
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| Poll | Date | Sample | McCain | Huckabee | Romney | Thompson | Paul | Giuliani | Spread |
|---|---|---|---|---|---|---|---|---|---|
| Final Results | -- | -- | 33.2 | 29.9 | 15.1 | 15.7 | 3.7 | 2.1 | McCain +3.3 |
| RCP Average | 1/14 - 1/18 | -- | 26.9 | 25.9 | 14.7 | 14.6 | 4.4 | 3.4 | McCain +1.0 |
| Rtrs/CSpan/Zog | 1/17 - 1/18 | 817 LV | 27 | 26 | 16 | 12 | 4 | 3 | McCain +1 |
| ARG | 1/17 - 1/18 | 600 LV | 26 | 33 | 9 | 21 | 2 | 3 | Huckabee +7 |
| InsAdv | 1/17 - 1/17 | 635 LV | 26 | 26 | 13 | 13 | 5 | 5 | Tie |
| SurveyUSA | 1/16 - 1/17 | 699 LV | 31 | 27 | 17 | 16 | 5 | 2 | McCain +4 |
| FOX News | 1/16 - 1/17 | 500 LV | 27 | 20 | 15 | 11 | 4 | 3 | McCain +7 |
| Reuters/CSpan/Zogby | 1/15 - 1/17 | 815 LV | 29 | 22 | 15 | 13 | 4 | 2 | McCain +7 |
| SurveyUSA | 1/16 - 1/16 | 470 LV | 29 | 26 | 17 | 17 | 5 | 3 | McCain +3 |
| Rasmussen | 1/16 - 1/16 | 895 LV | 24 | 24 | 18 | 16 | 5 | 3 | Tie |
| American Res. Group | 1/15 - 1/16 | 600 LV | 33 | 23 | 20 | 13 | 1 | 4 | McCain +10 |
| Mason-Dixon | 1/14 - 1/16 | 400 LV | 27 | 25 | 15 | 13 | 6 | 5 | McCain +2 |
| Reuters/CSpan/Zogby | 1/14 - 1/16 | 813 LV | 29 | 22 | 12 | 14 | 5 | 5 | McCain +7 |
| Reuters/CSpan/Zogby | 1/13 - 1/15 | 813 LV | 29 | 23 | 13 | 12 | 6 | 5 | McCain +6 |
| Clemson | 1/9 - 1/15 | 450 LV | 29 | 22 | 13 | 10 | 6 | 3 | McCain +7 |
| Rasmussen | 1/13 - 1/13 | 911 LV | 28 | 19 | 17 | 16 | 5 | 5 | McCain +9 |
| FOX News | 1/9 - 1/9 | 500 LV | 25 | 18 | 17 | 9 | 5 | 5 | McCain +7 |
| Rasmussen | 1/9 - 1/9 | 785 LV | 27 | 24 | 16 | 12 | 5 | 6 | McCain +3 |
| InsiderAdvantage | 1/7 - 1/7 | 479 LV | 21 | 33 | 14 | 5 | 5 | 8 | Huckabee +12 |
| Rasmussen | 1/6 - 1/6 | 882 LV | 21 | 28 | 15 | 11 | 4 | 10 | Huckabee +7 |
| SurveyUSA | 1/4 - 1/6 | 658 LV | 17 | 36 | 19 | 11 | 5 | 9 | Huckabee +17 |
| SurveyUSA | 12/17 - 12/18 | 593 LV | 16 | 28 | 18 | 15 | -- | 12 | Huckabee +10 |
| CBS News | 12/13 - 12/17 | 447 LV | 11 | 28 | 20 | 10 | 3 | 12 | Huckabee +8 |
| Rasmussen | 12/16 - 12/16 | 724 LV | 12 | 23 | 23 | 12 | 5 | 11 | Tie |
| CNN | 12/9 - 12/12 | -- | 13 | 24 | 16 | 17 | 11 | 16 | Huckabee +7 |
| SurveyUSA | 12/7 - 12/9 | 587 LV | 10 | 30 | 19 | 18 | -- | 13 | Huckabee +11 |
| Mason-Dixon | 12/3 - 12/6 | 400 LV | 10 | 20 | 15 | 14 | 4 | 17 | Huckabee +3 |
| Insider Advantage | 12/3 - 12/4 | 670 LV | 10 | 23 | 14 | 17 | 6 | 17 | Huckabee +6 |
| Rasmussen | 12/3 - 12/4 | 654 LV | 9 | 25 | 18 | 18 | 4 | 12 | Huckabee +7 |
| American Res. Group | 11/26 - 11/29 | 600 LV | 10 | 18 | 21 | 13 | 3 | 23 | Giuliani +2 |
| Clemson | 11/14 - 11/27 | 450 LV | 11 | 13 | 17 | 15 | 6 | 9 | Romney +2 |
| AP-Pew | 11/7 - 11/25 | 468 LV | 13 | 10 | 19 | 18 | 6 | 19 | Tie |
| Rasmussen | 11/20 - 11/20 | 702 LV | 9 | 12 | 21 | 21 | 8 | 13 | Tie |
| SurveyUSA | 11/9 - 11/11 | 577 LV | 14 | 12 | 20 | 18 | -- | 26 | Giuliani +6 |
| ARG | 10/26 - 10/29 | 600 LV | 13 | 5 | 29 | 10 | 4 | 23 | Romney +6 |
| Ayres McHenry (R) | 10/24 - 10/29 | 300 LV | 17 | 8 | 20 | 13 | 3 | 19 | Romney +1 |
| Winthrop Univ. | 10/7 - 10/28 | 522 LV | 9 | 5 | 17 | 18 | 2 | 17 | Thompson +1 |
| Insider Advantage | 10/2 - 10/2 | 1281 A | 16 | 11 | 16 | 21 | 3 | 16 | Thompson +5 |
| American Res. Group | 9/26 - 9/29 | 600 LV | 15 | 1 | 26 | 10 | 2 | 23 | Romney +3 |
| Rasmussen | 9/26 - 9/27 | 863 LV | 11 | 3 | 15 | 24 | 2 | 20 | Thompson +4 |
| LA Times/Bloomberg | 9/6 - 9/10 | 430 LV | 15 | 6 | 9 | 26 | 2 | 23 | Thompson +3 |
| American Res. Group | 8/26 - 8/29 | 600 LV | 12 | 9 | 9 | 21 | 2 | 26 | Giuliani +5 |
| Clemson | 8/20 - 8/29 | 400 LV | 15 | 6 | 11 | 19 | 1 | 18 | Thompson +1 |
| Rasmussen | 8/20 - 8/20 | 841 LV | 14 | 6 | 10 | 23 | -- | 21 | Thompson +2 |
| American Res. Group | 7/26 - 7/30 | 600 LV | 10 | 3 | 7 | 27 | 3 | 28 | Giuliani +1 |
| CNN | 7/16 - 7/18 | 432 RV | 20 | 3 | 4 | 17 | 2 | 28 | Giuliani +8 |
| American Res. Group | 6/26 - 6/30 | 600 LV | 23 | 3 | 8 | 19 | -- | 22 | McCain +1 |
| Mason-Dixon | 6/13 - 6/15 | 423 LV | 7 | 5 | 11 | 25 | -- | 21 | Thompson +4 |
| Winthrop Univ. | 5/16 - 5/27 | RV | 14 | 1 | 12 | 6 | -- | 19 | Giuliani +5 |
| American Res. Group | 5/23 - 5/26 | 600 LV | 32 | 1 | 10 | 13 | -- | 23 | McCain +9 |
| Insider Advantage | 5/21 - 5/22 | 503 LV | 17 | -- | 8 | 13 | -- | 18 | Giuliani +1 |
| Insider Advantage | 5/8 - 5/9 | 500 RV | 9 | -- | 10 | 8 | -- | 22 | Giuliani +12 |
| Ayres McHenry (R) | 5/5 - 5/8 | 500 LV | 25 | 2 | 8 | 16 | 1 | 20 | McCain +5 |
| American Res. Group | 4/27 - 4/30 | 600 LV | 36 | 2 | 6 | 10 | -- | 23 | McCain +13 |
| Ayres McHenry (R) | 4/14 - 4/19 | 400 LV | 24 | -- | 10 | 11 | -- | 15 | McCain +9 |
| Zogby | 4/16 - 4/17 | 512 LV | 22 | 2 | 10 | 11 | 1 | 19 | McCain +3 |
| FOX News | 4/1 - 4/3 | 600 LV | 25 | 2 | 14 | 2 | 1 | 26 | Giuliani +1 |
| American Res. Group | 2/23 - 2/27 | 600 LV | 35 | 1 | 5 | -- | -- | 29 | McCain +6 |
| Ayres McHenry | 1/24 - 1/28 | 500 LV | 29 | 2 | 6 | -- | -- | 20 | McCain +9 |
| American Res. Group | 12/21 - 12/23 | 600 LV | 35 | 1 | 5 | -- | -- | 28 | McCain +7 |