| Dates in the field | Sponsor/Pollster | Jim Doyle (D-Inc.) | Mark Green (R) | Nelson Eisman (Green) | margin of error | #/type polled | Release date |
| 10/30-11/1 | WISC/Research 2000 | 50 | 44 | 2 | 4 | 600 likely voters | 11/2 |
| 10/27-10/29 | Strategic Vision | 47 | 45 | NA | 3 | 800 likely voters | 10/31 |
| 10/23-10/27 | Wall Street Journal/Zogby | 47 | 47 | 4 | 3.5 | unclear | 10/31 |
| 10/18-10/26 | UWSC Badger Poll | 50 | 36 | 3 | 4 | 508 adults | 10/30 |
| 10/18 | Rasmussen Reports | 48 | 44 | NA | 4.5 | 500 likely voters | 10/30 |
| 10/10-10/16 | Wall Street Journal/Zogby | 47 | 46 | 4 | 3.5 | unclear | 10/19 |
| 10/9-10/16 | Wisconsin Public Radio/St. Norbert College | 51 | 38 | 1 | 5 | 400 likely voters | 10/19 |
| 10/9-10/12 | Progressive Majority Wisconsin/Abacus Associates | 47 | 41 | 3 | 3.8 | 708 likely voters | 10/18 |
| 10/6-10/8 | Strategic Vision | 46 | 43 | NA | 3 | 800 likely voters | 10/11 |
| 10/2-10/4 | WISC/Research 2000 | 48 | 42 | 1 | 4 | 600 likely voters | 10/6 |
| 9/19-9/25 | Wall Street Journal/Zogby | 46 | 44 | 5 | 3.5 | unclear | 9/28 |
| 9/20-9/21 | Wis. Policy Research Institute/Diversified Research | 45 | 40 | NA | 4 | 600 likely voters | 9/27 |
| 9/15-9/17 | Strategic Vision | 46 | 42 | NA | 3 | 800 likely voters | 9/20 |
| 9/14 | Rasmussen Reports | 44 | 47 | NA | 4.5 | 500 likely voters | 9/25 |
| 9/5-9/7 | WISC/Research 2000 | 49 | 40 | 1 | 4 | 600 likely voters | 9/7 |
| 8/29-9/5 | Wall Street Journal/Zogby | 49 | 46 | NA | 3.5 | unclear | 9/11 |
| 8/24-8/29 | WisPoilitics.com/Checkpoint | 44 | 35 | NA | 5 | 400 likely voters | 9/1 |
| 8/15-8/21 | Wall Street Journal/Zogby | 50 | 43 | NA | 3.5 | unclear | 8/28 |
| 8/14-8/16 | WISC/Research 2000 | 48 | 38 | NA | 4 | 600 likely voters | 8/18 |
| 8/11-8/13 | Strategic Vision | 45 | 44 | NA | 3 | 800 likely voters | 8/18 |
| 8/10 | Rasmussen Reports | 49 | 41 | NA | 4.5 | 500 likely voters | 8/20 |
| 7/14-7/16 | Strategic Vision | 43 | 42 | NA | 3 | 800 likely voters | 7/20 |
| 7/12 | Rasmussen Reports | 47 | 41 | NA | 4.5 | 500 likely voters | 7/20 |
| 6/23-7/2 | UWSC Badger Poll | 49 | 36 | NA | 4 | 508 adults | 7/5 |
| 6/18-6/19 | Wis. Policy Research Institute/Diversified Research | 49 | 37 | NA | 4 | 600 adults | 6/23 |
| 6/2-6/4 | Strategic Vision | 45 | 46 | NA | 3 | 800 likely voters | 6/8 |