2026 midterms · Idaho · November 3

Idaho Senate race 2026

Who’s running for U.S. Senate in Idaho on November 3, 2026: Todd Achilles (Independent, Democratic-backed), Jim Risch (R, incumbent), Matt Loesby (Libertarian) and Natalie Fleming (Independent). Now held by Jim Risch (R). Forecasters: Solid R (average of 7; range Likely R to Solid R).

How to vote in Idaho: check your registration on Idaho’s election website · deadlines on Vote.gov for Idaho

Next to a Democrat in Congress, $ backing is their backing from the pro-Israel PACs we track, 2016–2026; $0 backing means none. Tap a name for each PAC by year, with FEC links.

Idaho Senate race 2026 on November 3
RaceRatingDemocratsRepublicansOthers on the ballotNotes
Idaho Senate
Solid R
Average of 7; Likely R to Solid R
Each forecaster for Idaho Senate
  • Cook Political Report: Solid R (Oct 6, 2026)
  • Sabato's Crystal Ball: Solid R (Oct 14, 2026)
  • Inside Elections: Solid R (Oct 15, 2026)
  • Decision Desk HQ: Solid R (Oct 19, 2026)
  • Split Ticket: Solid R (Oct 19, 2026)
  • The Economist: Likely R (Oct 19, 2026)
  • Silver Bulletin: Solid R (Oct 19, 2026)
Todd Achilles (Independent, Democratic-backed)
Jim Risch (inc.)
Matt Loesby (Libertarian)
Natalie Fleming (Independent)
Now held by Jim Risch (R) · The Democratic nominee, David Roth, withdrew. Independent Todd Achilles has the support of Democratic leaders.

Help Democrats across Idaho: Idaho Democratic Party · See it on the map (Idaho)

Where this comes from

Candidates as of October 9, 2026, from state election offices, news reports and Ballotpedia’s candidate lists; independent and minor-party candidates may not be complete. Ratings are the average of up to seven nonpartisan forecasters, read from the tables Wikipedia editors keep of them: how we average them and each forecaster’s own pages. Backing is contributions plus outside spending for a candidate by the pro-Israel PACs we track, from FEC filings (method). Results, on election night, only from AP or official sources. Found an error? Tell us.

Photos of members of Congress: official portraits (public domain). Other photos: Todd Achilles: DL a.k.a. LibertyDad (photo of Todd Achilles), CC BY 3.0.