2026 election · U.S. Senate
Incumbent: James E. Risch (Republican)
| Pollster | Dates | Candidate | % |
|---|---|---|---|
| Peak Insights (R) | 2026-06-07 | Natalie Fleming | 5 |
| Peak Insights (R) | 2026-06-06 → 2026-06-07 | Jim Risch | 55 |
| Peak Insights (R) | 2026-06-06 → 2026-06-07 | Todd Achilles | 7 |
| Peak Insights (R) | 2026-06-06 → 2026-06-07 | David Roth | 15 |
| Peak Insights (R) | 2026-06-07 | Matt Loesby | 2 |
| The Bullfinch Group | 2026-05-29 → 2026-06-01 | David Roth | 15 |
| The Bullfinch Group | 2026-05-29 → 2026-06-01 | Jim Risch | 41 |
| The Bullfinch Group | 2026-05-29 → 2026-06-01 | Todd Achilles | 18 |
| Public Policy Polling (D) | 2026-03-16 → 2026-03-17 | Jim Risch | 48 |
| Public Policy Polling (D) | 2026-03-16 → 2026-03-17 | Todd Achilles | 34 |