Idaho U.S. Senate Race 2026 — Odds
Jim Risch, chairman of the Senate Foreign Relations Committee, is running for a fourth term against Democrat David Roth. Idaho is among the reddest states on the map and no forecaster sees a contest. Pricing here is a sanity check on market calibration more than a trade.
Favorite: Republican
Current standings
- 1Republican92%
- 2Democrat7%
- 3Person B—
- 4Person D—
- 5Person F—
- 6Person H—
- ·Others (7 outcomes)<1%
Probability over time — Republican
Frequently asked questions
Who is favored to win the Idaho Senate race in 2026?
Republican leads on Polymarket at 92%. Forecasters rate the seat Safe R.
Is Jim Risch running for re-election?
Jim Risch (R) is the incumbent in this Idaho senate race. Jim Risch, chairman of the Senate Foreign Relations Committee, is running for a fourth term against Democrat David Roth. Idaho is among the reddest states on the map and no forecaster sees a contest. Pricing here is a sanity check on market calibration more than a trade.
Where can I trade the Idaho senate odds?
These markets trade on Polymarket — use the Polymarket link on this page to see the live order book. GeoOdds tracks and charts the probabilities but does not take bets. Trading involves risk; 18+ only.
Fee-free geopolitics markets. 18+.