Polls
2026 Maine Senate - Democratic Primary
Polling Data
| Poll | Date | Sample | MoE | Mills | Platner | Costello | Spread |
|---|---|---|---|---|---|---|---|
| RCP Average | 10/26 - 12/7 | -- | -- | 43.0 | 39.0 | -- | Mills +4.0 |
| Pan AtlanticPan Atlantic | 11/29 - 12/7 | 318 LV | 3.7 | 47 | 37 | 1 | Mills +10 |
| MPRC**MPRC** | 10/26 - 10/29 | 783 LV | 3.5 | 39 | 41 | -- | Platner +2 |
Polling Data
| Poll | Date | Sample | MoE | Mills | Platner | Costello | Spread |
|---|---|---|---|---|---|---|---|
| RCP Average | 10/26 - 12/7 | -- | -- | 43.0 | 39.0 | -- | Mills +4.0 |
| Pan AtlanticPan Atlantic | 11/29 - 12/7 | 318 LV | 3.7 | 47 | 37 | 1 | Mills +10 |
| MPRC**MPRC** | 10/26 - 10/29 | 783 LV | 3.5 | 39 | 41 | -- | Platner +2 |
| UNHUNH | 10/16 - 10/21 | 510 LV | 4.3 | 24 | 58 | 1 | Platner +34 |
