| Poll | Date | Sample | Sununu | Brown | Spread |
|---|---|---|---|---|---|
| RCP Average | 9/10 - 1/19 | -- | 42.3 | 26.0 | Sununu +16.3 |
| UNHUNH | 1/15 - 1/19 | 967 LV | 48 | 25 | Sununu +23 |
| St. AnselmSt. Anselm | 11/18 - 11/19 | 1000 RV | 39 | 30 | Sununu +9 |
| co/efficient**co/efficient** | 9/10 - 9/12 | 346 LV | 40 | 23 | Sununu +17 |
All 2026 New Hampshire Senate - Republican Primary Polling Data
| Poll | Date | Sample | Sununu | Brown | Spread |
|---|---|---|---|---|---|
| RCP Average | 9/10 - 1/19 | -- | 42.3 | 26.0 | Sununu +16.3 |
| UNHUNH | 1/15 - 1/19 | 967 LV | 48 | 25 | Sununu +23 |
| St. AnselmSt. Anselm | 11/18 - 11/19 | 1000 RV | 39 | 30 | Sununu +9 |
| UNHUNH | 11/13 - 11/17 | 585 LV | 40 | 27 | Sununu +13 |
| UNHUNH | 9/17 - 9/23 | 555 LV | 42 | 19 | Sununu +23 |
| co/efficient**co/efficient** | 9/10 - 9/12 | 346 LV | 40 | 23 | Sununu +17 |