2012 Presidential Election State Polls – Connecticut
| Poll | Sample | Date | Romney | Obama | Margin |
| 2012 Final Results | 11/6/2012 | 40.4 | 58.4 | +18.0 | |
| Average of Polls | LV Only | Since 10/14/12 | 40.7 | 52.6 | +11.9 |
| PPP (D) | 1220 LV | 11/1-2/12 | 42 | 55 | +13 |
| Quinnipiac | 1412 LV | 10/19-22/12 | 41 | 55 | +14 |
| Rasmussen | 500 LV | 10/21/2012 | 45 | 52 | +7 |
| Survey USA | 575 LV | 10/19-21/12 | 40 | 53 | +13 |
| Mason-Dixon | 625 LV | 10/15-17/12 | 42 | 49 | +7 |
| UConn/Courant Poll | 574 LV | 10/11-16/12 | 37 | 51 | +14 |
| Siena | 552 LV | 10/4-14/12 | 38 | 53 | +15 |
| Rasmussen | 500 LV | 10/7/2012 | 45 | 51 | +6 |
| Quinnipiac | 1696 LV | 9/28-10/2/12 | 42 | 54 | +12 |
| PPP (D) | 801 LV – Dem +17 | 9/24-26/12 | 41 | 54 | +13 |
| UConn/Courant Poll | 508 LV | 9/11-16/12 | 32 | 53 | +21 |
| Quinnipiac | 1472 LV | 8/22-26/12 | 45 | 52 | +7 |
| PPP (D) | 881 RV | 8/22-23/12 | 40 | 53 | +13 |
| Rasmussen | 500 LV | 8/21/2012 | 43 | 51 | +8 |
| PPP (D) | 7/26-29/12 | 43 | 51 | +8 | |
| Quinnipiac | 5/29-6/3/12 | 38 | 50 | +12 | |
| Quinnipiac | 3/14-19/12 | 37 | 53 | +16 | |
| PPP (D) | 9/22-25/11 | 45 | 47 | +2 | |
| Poll | Sample | Date | Romney | Obama | Margin |
