GeoOdds

Idaho U.S. Senate Race 2026 — Odds

ID · U.S. Senate · Class 2Safe R
Incumbent:Jim RischR

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.

92%implied chance
0.0pp24h

Favorite: Republican

Current standings

  1. 1
    Republican92%
  2. 2
    Democrat7%
  3. 3
    Person B
  4. 4
    Person D
  5. 5
    Person F
  6. 6
    Person H
  7. ·
    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?

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