Poll Data For Colorado (9 Electoral Votes)
Obama : 50.8% McCain: 44.5% - Weak Obama
| Poll | Dates | Obama % | McCain % | Poll Age | Poll Weight | |||||
| Rasmussen | 1000 | LV | 3.0% | 11/2 | 51 | 47 | 0 | 1 | ||
| PPP | 2023 | LV | 2.2% | 10/28 | - | 10/30 | 54 | 44 | 3 | 0.917 |
| ARG | 600 | LV | 4.0% | 10/28 | - | 10/30 | 52 | 45 | 3 | 0.917 |
| Mason-Dixon | 625 | LV | 4.0% | 10/28 | - | 10/29 | 49 | 44 | 4 | 0.862 |
| Marist | 682 | LV | 4.0% | 10/27 | - | 10/28 | 51 | 45 | 5 | 0.8 |
| CNN | 774 | LV | 3.5% | 10/23 | - | 10/28 | 53 | 45 | 5 | 0.8 |
| National Journal | 409 | LV | 4.9% | 10/23 | - | 10/27 | 48 | 44 | 6 | 0.735 |
| Rasmussen | 1000 | LV | 3.0% | 10/26 | 50 | 46 | 7 | 0.671 | ||
| Insider Advantage | 636 | LV | 3.8% | 10/26 | 53 | 45 | 7 | 0.671 | ||
| Associated Press | 626 | LV | 3.9% | 10/22 | - | 10/26 | 50 | 41 | 7 | 0.671 |
| Public Opinion Strategies | 500 | LV | 4.4% | 10/21 | - | 10/23 | 52 | 40 | 10 | 0.5 |
| Insider Advantage | 576 | LV | 4.0% | 10/20 | 51 | 46 | 13 | 0.372 | ||
| Rasmussen | 1000 | LV | 3.0% | 10/19 | 51 | 46 | 14 | 0.338 | ||
| Rasmussen | 700 | LV | 4.0% | 10/16 | 52 | 45 | 17 | 0.257 | ||
| CNN | 762 | LV | 3.5% | 10/11 | - | 10/14 | 51 | 47 | 19 | 0.217 |
| Suffolk | 600 | LV | 4.0% | 10/10 | - | 10/13 | 47 | 43 | 20 | 0.2 |
| Quinnipiac | 1088 | LV | 3.0% | 10/8 | - | 10/12 | 52 | 43 | 21 | 0.185 |
| PPP | 1331 | LV | 2.7% | 10/8 | - | 10/10 | 52 | 42 | 23 | 0.159 |
| Quinnipiac | 997 | LV | 3.1% | 10/3 | - | 10/7 | 52 | 43 | 26 | 0.129 |
| Insider Advantage | 485 | LV | 5.0% | 10/6 | 51 | 45 | 27 | 0.121 | ||
| Rasmussen | 1000 | LV | 3.0% | 10/5 | 51 | 45 | 28 | 0.113 | ||
| Mason-Dixon | 625 | RV | 4.0% | 9/29 | - | 10/1 | 44 | 44 | 32 | 0.089 |
| Rasmussen | 500 | LV | 4.5% | 9/28 | 49 | 48 | 35 | 0.075 | ||
| ARG | 600 | LV | 4.0% | 9/23 | - | 9/25 | 45 | 48 | 38 | 0.065 |
| Insider Advantage | 505 | LV | 4.5% | 9/23 | 50 | 41 | 40 | 0.059 | ||
| Rasmussen | 700 | LV | 4.0% | 9/23 | 50 | 47 | 40 | 0.059 | ||
| CNN | 794 | LV | 3.5% | 9/21 | - | 9/23 | 51 | 47 | 40 | 0.059 |
| Ciruli Associates | 501 | LV | 4.4% | 9/19 | - | 9/23 | 44 | 43 | 40 | 0.059 |
| PPP | 1084 | LV | 3.0% | 9/20 | - | 9/21 | 51 | 44 | 42 | 0.054 |
| Quinnipiac | 1418 | LV | 2.6% | 9/14 | - | 9/21 | 49 | 45 | 42 | 0.054 |
| Insider Advantage | 508 | LV | 4.3% | 9/17 | 51 | 41 | 46 | 0.045 | ||
| National Journal | 402 | RV | 4.9% | 9/11 | - | 9/15 | 45 | 44 | 48 | 0.042 |
| Rasmussen | 500 | LV | 4.5% | 9/14 | 46 | 48 | 49 | 0.04 | ||
| ARG | 600 | LV | 4.0% | 9/10 | - | 9/13 | 44 | 46 | 50 | 0.038 |
| Insider Advantage | 501 | LV | 4.5% | 9/10 | 49 | 46 | 53 | 0.034 | ||
| PPP | 1078 | LV | 3.0% | 9/7 | - | 9/9 | 47 | 46 | 54 | 0.033 |
| Rasmussen | 500 | LV | 4.5% | 9/7 | 49 | 46 | 56 | 0.031 | ||
| Tarrance | 495 | LV | 4.5% | 9/2 | - | 9/3 | 45 | 47 | 60 | 0.027 |
| CNN | 670 | RV | 4.0% | 8/24 | - | 8/26 | 46 | 47 | 68 | 0.021 |
| Hill Research | 553 | LV | 4.2% | 8/23 | - | 8/24 | 43 | 40 | 70 | 0.02 |
| Suffolk | 450 | LV | 4.5% | 8/21 | - | 8/24 | 44 | 39 | 70 | 0.02 |
| Quinnipiac | 1060 | LV | 3.0% | 8/15 | - | 8/21 | 46 | 47 | 73 | 0.018 |
| Mason-Dixon | 400 | LV | 5.0% | 8/13 | - | 8/15 | 46 | 43 | 79 | 0.016 |
| Rasmussen | 500 | LV | 4.5% | 8/13 | 48 | 49 | 81 | 0.015 | ||
| Rocky Mountain/News 4 | 500 | LV | 4.5% | 8/11 | - | 8/13 | 41 | 44 | 81 | 0.015 |
| PPP | 933 | LV | 3.2% | 8/5 | - | 8/7 | 48 | 44 | 87 | 0.013 |
| Frederick | 700 | LV | 3.7% | 7/16 | - | 7/22 | 45 | 41 | 103 | 0.009 |
| Quinnipiac | 1425 | LV | 2.6% | 7/14 | - | 7/22 | 44 | 46 | 103 | 0.009 |
| Rasmussen | 500 | LV | 4.5% | 7/21 | 50 | 47 | 104 | 0.009 | ||
| PPP | 1050 | LV | 3.0% | 7/9 | - | 7/10 | 47 | 43 | 115 | 0.008 |
| Quinnipiac | 1351 | LV | 2.7% | 6/17 | - | 6/24 | 49 | 44 | 131 | 0.006 |
| Rasmussen | 500 | LV | 4.5% | 6/17 | 43 | 41 | 138 | 0.005 | ||
| Rasmussen | 500 | LV | 4.5% | 5/19 | 48 | 42 | 167 | 0.004 | ||
| Rasmussen | 500 | LV | 4.5% | 4/16 | 46 | 43 | 200 | 0.002 | ||
| TargetPoint | 604 | LV | 4.0% | 3/31 | - | 4/7 | 39 | 51 | 209 | 0.002 |
| Rasmussen | 500 | LV | 4.5% | 3/17 | 46 | 46 | 230 | 0.002 | ||
| Survey USA | 631 | RV | 4.0% | 2/26 | - | 2/28 | 50 | 41 | 248 | 0.002 |
| Rasmussen | 500 | LV | 4.5% | 2/11 | 46 | 39 | 265 | 0.001 | ||
