Idaho Senate 2026
Jim Risch (R) · running · Cook PVI R+18 · last result 62.62% R
Todd Achilles
Wikipedia bio
Theodore B. "Todd" Achilles is an American politician and U.S. Army veteran.
Source: Todd Achilles
Natalie Fleming
Matt Loesby
Jim Risch
Wikipedia bio
James Elroy Risch is an American lawyer and politician who has served as the junior United States senator from Idaho since 2009. A member of the Republican Party, he served as lieutenant governor of Idaho under governors Dirk Kempthorne and Butch Otter, and briefly as governor between their terms.
Source: Jim RischDesk notes
Generated from the sourced figures on this page. Not a separate report.
Jim Risch (R) is the incumbent, running. The ratings consensus is Safe R. Cook’s cell is dated Oct 6, 2026. 10 forecaster cells are stored. Kalshi Jim Risch 94¢ (mid). Polymarket Jim Risch 94¢ (mid). The 2024 presidential margin in this state was R+36.5. The 2020 presidential margin in this state was R+30.8.
Polling average
No polling average for this race. That is an empty state, not a tie.
Ratings
- Cook Political ReportOct 6, 2026Solid R
- Sabato's Crystal BallOct 14, 2026Safe R
- Inside ElectionsOct 15, 2026Solid R
- Decision Desk HQOct 19, 2026Safe R
- RealClearPoliticsOct 12, 2026Solid R
- Silver BulletinOct 19, 2026Solid R
- FiftyPlusOneOct 19, 2026Safe R
- The EconomistOct 19, 2026Likely R
- Fox NewsOct 13, 2026Solid R
- Split TicketOct 19, 2026Safe R
Quoted from the Wikipedia predictions table, not scraped from the raters.
Markets
Raw yes-prices. Not vig-adjusted. Contracts under 1¢ are omitted.
- Jim Risch (R)94¢mid · spread 1¢
- Todd Achilles (I)4¢mid · spread 1¢
PredictIt is off. Its terms limit the feed to non-commercial use.
Price history
Scale is fixed at 0–100¢. Hourly closes. A dashed line is a rating date or a poll end date stored on this race. Times are US Eastern.
Money
No FEC snapshot for this race.
Recent polls
No individual polls in this snapshot.
What changed
- marketIdaho Senate: the stored prices were compared and no contract moved by a full cent.
- marketIdaho Senate: the stored prices were compared and no contract moved by a full cent.
- marketIdaho Senate: the stored prices were compared and no contract moved by a full cent.
- marketIdaho Senate: the stored prices were compared and no contract moved by a full cent.
Results
Results appear here once official returns start on election night, November 3, 2026.
Counts will come from civicAPI, which compiles official state election offices. A winner is shown only when civicAPI projects one, labelled as such.
· snapshot Oct 20, 10:10 AM EDT · mode live