Poll Data For Maine (4 Electoral Votes)
Obama : 55.2% McCain: 39.6% - Strong Obama
| Poll | Dates | Obama % | McCain % | Poll Age | Poll Weight | |||||
| Rasmussen | 500 | LV | 4.5% | 11/1 | 56 | 43 | 0 | 1 | ||
| Survey USA | 674 | LV | 3.8% | 11/1 | 58 | 38 | 0 | 1 | ||
| Survey USA | 642 | LV | 3.9% | 10/19 | - | 10/20 | 54 | 39 | 12 | 0.41 |
| Critical Insights | 443 | LV | 4.7% | 10/16 | - | 10/19 | 56 | 35 | 13 | 0.372 |
| Pan Atlantic | 400 | LV | 4.9% | 10/13 | - | 10/16 | 51 | 39 | 16 | 0.281 |
| Research 2000 | 600 | LV | 4.0% | 10/14 | - | 10/15 | 53 | 38 | 17 | 0.257 |
| Rasmussen | 500 | LV | 4.5% | 10/2 | 51 | 46 | 30 | 0.1 | ||
| DSCC | 600 | LV | 4.0% | 9/30 | - | 10/2 | 52 | 35 | 30 | 0.1 |
| Survey USA | 675 | LV | 3.8% | 9/22 | - | 9/23 | 49 | 44 | 39 | 0.062 |
| Rasmussen | 500 | LV | 4.5% | 9/17 | 50 | 46 | 45 | 0.047 | ||
| Research 2000 | 600 | LV | 4.0% | 9/8 | - | 9/10 | 52 | 38 | 52 | 0.036 |
| ARG | 600 | LV | 4.0% | 9/8 | - | 9/10 | 51 | 41 | 52 | 0.036 |
| Rasmussen | 500 | LV | 4.5% | 8/12 | 53 | 39 | 81 | 0.015 | ||
| Rasmussen | 500 | LV | 4.5% | 7/17 | 49 | 41 | 107 | 0.009 | ||
| Critical Insights | 498 | LV | 4.5% | 6/1 | - | 6/27 | 51 | 31 | 127 | 0.006 |
| Pan Atlantic SMS | 400 | 5.0% | 6/10 | - | 6/18 | 46 | 32 | 136 | 0.005 | |
| Rasmussen | 500 | LV | 4.5% | 6/16 | 55 | 33 | 138 | 0.005 | ||
| Rasmussen | 500 | LV | 4.5% | 5/14 | 51 | 38 | 171 | 0.003 | ||
| Rasmussen | 500 | LV | 4.5% | 4/1 | 49 | 39 | 214 | 0.002 | ||
| Survey USA | 639 | RV | 3.9% | 2/26 | - | 2/28 | 53 | 39 | 247 | 0.002 |
