| Results of SurveyUSA News Poll #11661 |
| 1 | Now... If the only two candidates on the ballot were Democrat Barack Obama and Republican John McCain, who would you vote for? |
| 497 Registered Voters | All | Gender | Age | <50 / 50+ | Generation | Race | Party Affiliation | Ideology | Bush Overall Approval | Chet Culver Overall Appr | Charles Grassley Overall | Tom Harkin Overall Appro | Abortion | Gun Ownership | Labor Union | Geocoding | Region | ||||||||||||||||||||||||||||||||
| Margin of Sampling Error: ± 4.5% | Male | Female | 18-34 | 35-49 | 50-64 | 65+ | 18-49 | 50+ | Gen Y | Gen X | Jones | Boomers | Mature | White | Black | Hispanic | Other | Republic | Democrat | Independ | Conserva | Moderate | Liberal | Approve | Disappro | Not Sure | Approve | Disappro | Not Sure | Approve | Disappro | Not Sure | Approve | Disappro | Not Sure | Pro-life | Pro-choi | Yes | No | Yes | No | Urban | Suburban | Rural | Northeas | Southeas | Southwes | Northwes | |
| Obama | 45% | 45% | 44% | 40% | 43% | 45% | 51% | 42% | 48% | 32% | 41% | 46% | 48% | 51% | 44% | ** | ** | ** | 17% | 72% | 39% | 20% | 55% | 60% | 12% | 63% | ** | 62% | 17% | 41% | 36% | 61% | 67% | 59% | 24% | 50% | 31% | 59% | 40% | 52% | 54% | 44% | 49% | 42% | 42% | 51% | 37% | 44% | 40% |
| McCain | 46% | 49% | 43% | 46% | 49% | 48% | 41% | 47% | 44% | 50% | 52% | 43% | 46% | 41% | 46% | ** | ** | ** | 78% | 21% | 49% | 73% | 38% | 28% | 80% | 27% | ** | 30% | 74% | 46% | 56% | 28% | 17% | 35% | 65% | 28% | 62% | 35% | 53% | 39% | 40% | 48% | 45% | 53% | 44% | 40% | 50% | 49% | 51% |
| Undecided | 9% | 5% | 13% | 14% | 8% | 7% | 8% | 11% | 8% | 18% | 7% | 11% | 6% | 8% | 10% | ** | ** | ** | 5% | 7% | 12% | 7% | 7% | 12% | 8% | 10% | ** | 8% | 9% | 14% | 8% | 11% | 16% | 6% | 11% | 22% | 7% | 7% | 7% | 9% | 6% | 9% | 6% | 5% | 14% | 9% | 12% | 7% | 9% |
| Total | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Composition of Registered Voters | 100% | 47% | 53% | 24% | 29% | 24% | 23% | 53% | 47% | 12% | 24% | 24% | 17% | 23% | 95% | 2% | 2% | 1% | 29% | 38% | 30% | 28% | 48% | 14% | 35% | 64% | 1% | 52% | 30% | 18% | 66% | 27% | 7% | 54% | 38% | 8% | 41% | 55% | 49% | 50% | 23% | 77% | 32% | 21% | 47% | 40% | 21% | 21% | 19% |