2012 Presidential Election State Polls – Montana
| Poll | Sample | Date | Romney | Obama | Margin |
| 2012 Final Results | 11/6/2012 | 55.3 | 41.8 | +13.5 | |
| Average of Polls | LV Only | Since 10/29/12 | 52.7 | 43.7 | +9.0 |
| Public Policy Polling | 836 LV | 11/2-3-12 | 52 | 45 | +7 |
| Mason-Dixon | 625 LV | 10/29-31/12 | 53 | 43 | +10 |
| Rasmussen | 500 LV | 10/29/2012 | 53 | 43 | +10 |
| Mason-Dixon | 625 LV | 9/17-19/12 | 51 | 42 | +9 |
| Public Policy Polling | 656 LV | 9/10-11/12 | 50 | 45 | +5 |
| Rasmussen | 500 LV | 8/20/2012 | 55 | 38 | +17 |
| Rasmussen | 500 LV | 6/18/2012 | 51 | 42 | +9 |
| Rasmussen | 500 LV | 5/2/2012 | 51 | 44 | +7 |
| Public Policy Polling | 934 RV | 4/26-29/12 | 48 | 43 | +5 |
| Poll | Sample | Date | Romney | Obama | Margin |
