| National Survey of 800 Likely Voters | |||||||||||||||
| Conducted February 28-March 1, 2007 by Rasmussen Reports | |||||||||||||||
| Total | Gender | Age | Race | Political Party | |||||||||||
| LV | Male | Female | 18-29 | 30-39 | 40-49 | 50-64 | 65 or older | White | Black | Other | Republican | Democrat | Other | ||
| Biden | very favorable | 7% | 6% | 7% | 8% | 4% | 7% | 6% | 10% | 6% | 20% | 1% | 2% | 11% | 5% |
| somewhat favorable | 26% | 31% | 23% | 35% | 16% | 17% | 29% | 35% | 26% | 16% | 37% | 20% | 34% | 23% | |
| somewhat unfavorable | 23% | 25% | 22% | 17% | 17% | 30% | 28% | 24% | 25% | 31% | 7% | 27% | 25% | 18% | |
| very unfavorable | 12% | 20% | 7% | 13% | 11% | 11% | 14% | 13% | 13% | 11% | 10% | 22% | 4% | 12% | |
| not sure | 31% | 18% | 41% | 27% | 53% | 35% | 24% | 18% | 30% | 22% | 45% | 28% | 26% | 42% | |
| Total | Gender | Age | Race | Political Party | |||||||||||
| LV | Male | Female | 18-29 | 30-39 | 40-49 | 50-64 | 65 or older | White | Black | Other | Republican | Democrat | Other | ||
| Matthews | very favorable | 7% | 5% | 8% | 12% | 2% | 8% | 7% | 8% | 8% | 9% | 1% | 6% | 9% | 5% |
| somewhat favorable | 19% | 25% | 15% | 10% | 10% | 26% | 24% | 24% | 22% | 13% | 9% | 19% | 19% | 20% | |
| somewhat unfavorable | 26% | 32% | 21% | 33% | 25% | 21% | 25% | 24% | 23% | 38% | 29% | 23% | 30% | 23% | |
| very unfavorable | 11% | 17% | 6% | 9% | 14% | 6% | 12% | 10% | 12% | 9% | 7% | 18% | 7% | 8% | |
| not sure | 38% | 22% | 50% | 35% | 48% | 39% | 33% | 35% | 36% | 30% | 55% | 35% | 35% | 43% | |
| Total | Gender | Age | Race | Political Party | |||||||||||
| LV | Male | Female | 18-29 | 30-39 | 40-49 | 50-64 | 65 or older | White | Black | Other | Republican | Democrat | Other | ||
| Zahn | very favorable | 11% | 10% | 11% | 17% | 9% | 9% | 8% | 12% | 9% | 8% | 21% | 9% | 13% | 9% |
| somewhat favorable | |||||||||||||||
