 | What if it were John Koster and Darshan Rauniyar, who prefers the Democratic party? |
| TRACK POINTS | 05/31/12 | 07/26/12 | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| ± 3.9% | ± 3.8% | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| ALL | ALL | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| John Koster (R) | 50% | 44% | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| Darshan Rauniyar (D) | 28% | 32% | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| Undecided | 22% | 24% | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| Total | 100% | 100% | n/a | n/a | n/a | n/a | n/a | n/a | n/a |