| Poll | Date | Sample | Portman (R) | Fisher (D) | Spread |
|---|---|---|---|---|---|
| Final Results | -- | -- | 57.3 | 39.0 | Portman +18.3 |
| RCP Average | 10/25 - 10/31 | -- | 57.5 | 37.0 | Portman +20.5 | Ohio Poll/Univ of Cin. | 10/27 - 10/31 | 930 LV | 60 | 39 | Portman +21 | PPP (D) | 10/28 - 10/30 | 1356 LV | 57 | 39 | Portman +18 | Quinnipiac | 10/25 - 10/30 | 848 LV | 56 | 37 | Portman +19 | Rasmussen Reports | 10/26 - 10/26 | 750 LV | 57 | 33 | Portman +24 |
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