Actual result
D+3.4
Final polls said
D+0.6
11 late polls · ✓
Model predicted
D+1.1
✓
Winner
Dem
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).
Final rankings
How everyone who called this race did, ranked — VotePredictor shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | The Tyson Group | D+2.0 | 1.4 | ✓ |
| 2 | Mason-Dixon Polling & Strategy | D+2.0 | 1.4 | ✓ |
| 3 | VotePredictor | D+1.1 | 2.3 | ✓ |
| 4 | SurveyUSA | D+1.0 | 2.4 | ✓ |
| 5 | Public Policy Polling | D+1.0 | 2.4 | ✓ |
| 6 | Garin-Hart-Yang Research Group | D+6.0 | 2.6 | ✓ |
| 7 | Marshall Marketing | D+0.4 | 3.0 | ✓ |
| 8 | GfK Group | EVEN | 3.4 | ✗ |
| 9 | Elon University | R+2.0 | 5.4 | ✗ |
| 10 | Scott Rasmussen (Rasmussen Reports) | R+4.0 | 7.4 | ✗ |
Polls (25)
| Pollster | Date | n | Poll | Miss |
|---|---|---|---|---|
| SurveyUSA | 2008-11-01 | 682 | D+1.0 | 2 |
| Public Policy Polling | 2008-11-01 | 2100 | D+1.0 | 2 |
| The Tyson Group | 2008-10-28 | 600 | D+2.0 | 1 |
| Public Policy Polling | 2008-10-25 | 1038 | D+3.0 | 0 |
| GfK Group | 2008-10-24 | 601 | EVEN | 3 |
| Scott Rasmussen (Rasmussen Reports) | 2008-10-23 | 700 | R+4.0 | 7 |
| Mason-Dixon Polling & Strategy | 2008-10-23 | 800 | D+2.0 | 1 |
| Marshall Marketing | 2008-10-20 | 500 | D+0.4 | 3 |
| SurveyUSA | 2008-10-19 | 627 | R+3.0 | 6 |
| The Tyson Group | 2008-10-19 | 600 | EVEN | 3 |
| Public Policy Polling | 2008-10-18 | 1200 | D+4.0 | 1 |
| Public Policy Polling | 2008-10-11 | 1196 | D+1.0 | 2 |
| The Tyson Group | 2008-10-07 | 600 | R+2.0 | 5 |
| Marshall Marketing | 2008-10-06 | 500 | D+3.4 | 0 |
| SurveyUSA | 2008-10-05 | 617 | R+1.0 | 4 |
| Public Policy Polling | 2008-10-04 | 1202 | D+3.0 | 0 |
| Scott Rasmussen (Rasmussen Reports) | 2008-09-30 | 700 | R+4.0 | 7 |
| Public Policy Polling | 2008-09-27 | 1041 | R+3.0 | 6 |
| The Tyson Group | 2008-09-19 | 600 | R+2.0 | 5 |
| Public Policy Polling | 2008-09-18 | 1060 | D+1.0 | 2 |
| Elon University | 2008-09-15 | 411 | R+2.0 | 5 |
| Public Policy Polling | 2008-09-09 | 626 | D+1.0 | 2 |
| The Tyson Group | 2008-09-08 | 600 | D+1.0 | 2 |
| SurveyUSA | 2008-09-07 | 671 | R+8.0 | 11 |
| Garin-Hart-Yang Research Group | 2008-09-06 | 605 | D+6.0 | 3 |