Idaho Senate
100%
GOP
0%Dem
— No change since last week
Range of Outcomes
Median outcome: R +27.2·80% of simulations: R +37.0 to R +17.3
How We Got This
Partisan Lean
how the seat votes compared with the nation
R +32.5
Fundamentals
candidates, fundraising, experts
D +2.7
National Environment
current political climate
D +3.2
Polls
recent state and district polling
R +0.6
Forecasted margin
R +27.2
Polls
Polls (2)
| Pollster | Date | Margin | N | Sample |
|---|---|---|---|---|
| Peak Insights | Jun 7, 2026 | R +40 | 500 | lv |
| The Bullfinch Group | Jun 1, 2026 | R +17 | 774 | rv |
What Changes the Forecast
What Changes the Forecast
Some high quality polling would significantly sharpen this forecast.
Forecast Over Time
Forecast Over Time
Dem (blue) and GOP (red) win probability over time
Dem 0%
GOP 100%
Race Details
- Expert Ratings
- State Lean
- This is a safe Republican state (R+36).
- Candidates
- David Roth (D) Jim Risch (R) (inc.)