| Poll | Date | Obama | Clinton | Spread |
| RCP Average | 04/18 to 04/27 | 48.0% | 42.2% | Obama +5.8% |
| Gallup Tracking | 04/25 - 04/27 | 47% | 46% | Obama +1.0% |
| Rasmussen Tracking | 04/24 - 04/27 | 49% | 41% | Obama +8.0% |
| AP-Ipsos | 04/23 - 04/27 | 46% | 43% | Obama +3.0% |
| Newsweek | 04/24 - 04/25 | 48% | 41% | Obama +7.0% |
| USA Today/Gallup | 04/18 - 04/20 | 50% | 40% | Obama +10.0% |
| Poll | Date | McCain (R) | Clinton (D) | Und | Spread |
| RCP Average | 04/17 to 04/27 | 44.3% | 47.3% | 5.6% | Clinton +3.0% |
| Rasmussen Tracking | 04/24 - 04/27 | 47% | 44% | 9% | McCain +3.0% |
| Gallup Tracking | 04/23 - 04/27 | 44% | 47% | 3% | Clinton +3.0% |
| AP-Ipsos | 04/23 - 04/27 | 41% | 50% | 2% | Clinton +9.0% |
| Newsweek | 04/24 - 04/25 | 45% | 48% | 7% | Clinton +3.0% |
| USA Today/Gallup | 04/18 - 04/20 | 44% | 50% | --% | Clinton +6.0% |
| Cook/RT Strategies | 04/17 - 04/20 | 45% | 45% | 7% | Tie |
| Poll | Date | McCain (R) | Obama (D) | Und | Spread |
| RCP Average | 04/17 to 04/27 | 44.5% | 46.0% | 5.6% | Obama +1.5% |
| Rasmussen Tracking | 04/24 - 04/27 | 46% | 46% | 4% | Tie |
| Gallup Tracking | 04/23 - 04/27 | 45% | 45% | 4% | Tie |
| AP-Ipsos | 04/23 - 04/27 | 44% | 46% | 2% | Obama +2.0% |
| Newsweek | 04/24 - 04/25 | 44% | 47% | 9% | Obama +3.0% |
| USA Today/Gallup | 04/18 - 04/20 | 44% | 47% | --% | Obama +3.0% |
| Cook/RT Strategies | 04/17 - 04/20 | 44% | 45% | 9% | Obama +1.0% |
| Poll | Date | Approve | Disapprove | Spread |
| RCP Average | 04/10 - 04/26 | 30.8% | 65.5% | -34.7% |
| Rasmussen | 04/20 - 04/26 | 34% | 64% | -30% |
| USA Today/Gallup | 04/18 - 04/20 | 28% | 69% | -41% |
| Newsweek | 04/16 - 04/17 | 28% | 65% | -37% |
| ABC News/Wash Post | 04/10 - 04/13 | 33% | 64% | -31% |
| Poll | Date | Approve | Disapprove | Spread |
| RCP Average | 03/18 - 04/09 | 22.0% | 70.0% | -48.0% |
| AP-Ipsos | 04/07 - 04/09 | 23% | 71% | -48% |
| Hotline/FD | 03/28 - 03/31 | 23% | 72% | -49% |
| FOX News | 03/18 - 03/19 | 20% | 67% | -47% |
| Poll | Date | Right Direction | Wrong Direction | Spread |
| RCP Average | 03/19 - 04/09 | 20.0% | 74.7% | -54.7% |
| AP-Ipsos | 04/07 - 04/09 | 24% | 71% | -47% |
| CBS News/NY Times | 03/28 - 04/02 | 14% | 81% | -67% |
| Pew Research | 03/19 - 03/22 | 22% | 72% | -50% |
| Poll | Date | Republican | Democrat | Spread |
| RCP Average | 03/07 - 04/06 | 37.3% | 48.3% | 11% |
| Rasmussen | 04/04 - 04/06 | 37% | 43% | 6% |
| Democracy Corps (D) | 03/25 - 03/27 | 40% | 53% | 13% |
| NBC/WSJ | 03/07 - 03/10 | 35% | 49% | 14% |