2026 Idaho Senate election
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The 2026 Idaho Senate election will be held on November 3, 2026, alongside the Idaho House of Representatives election and the other 2026 United States elections.[1] Voters will elect members of the Idaho State Senate in all 35 of the U.S. state of Idaho's legislative districts to serve a two-year term.[2]
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November 3, 2026
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All 35 seats in the Idaho Senate 18 seats needed for a majority | ||||||||||||||||
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 Legend: Democratic incumbent Republican incumbent | ||||||||||||||||
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Retirements
Democrats
- District 16: Alison Rabe is retiring.[3]
Incumbents defeated
In primary elections
Republicans
- District 1: Jim Woodward lost renomination to Scott Herndon.[4]
- District 24: Glenneda Zuiderveld lost renomination to Bret Reinke.[4]
- District 25: Josh Kohl lost renomination to Casey Swensen.[4]
Predictions
| Source | Ranking | As of |
|---|---|---|
| Sabato's Crystal Ball[5] | Safe R | January 22, 2026 |
Results summary
| Party | Candidates | Votes | Seats | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | % | Before | Up | Won | After | +/– | ||||||||
| Republican | 34 | % | 29 | 29 | ||||||||||
| Democratic | 33 | % | 6 | 6 | ||||||||||
| Independent | 3 | % | 0 | 0 |  | |||||||||
| Constitution | 2 | % | 0 | 0 | | |||||||||
| Total | 100.00% | 35 | 35 | | ||||||||||
| Source: [ Idaho Elections Results] | ||||||||||||||
Summary of results by district
| District | Incumbent | Party | Elected Senator | Outcome | ||
|---|---|---|---|---|---|---|
| 1st | Jim Woodward | Rep | TBD | |||
| 2nd | Phil Hart | Rep | TBD | |||
| 3rd | Doug Okuniewicz | Rep | TBD | |||
| 4th | Ben Toews | Rep | TBD | |||
| 5th | Carl Bjerke | Rep | TBD | |||
| 6th | Dan Foreman | Rep | TBD | |||
| 7th | Cindy Carlson | Rep | TBD | |||
| 8th | Christy Zito | Rep | TBD | |||
| 9th | Brandon Shippy | Rep | TBD | |||
| 10th | Tammy Nichols | Rep | TBD | |||
| 11th | Camille Blaylock | Rep | TBD | |||
| 12th | Ben Adams | Rep | TBD | |||
| 13th | Brian Lenney | Rep | TBD | |||
| 14th | C. Scott Grow | Rep | TBD | |||
| 15th | Codi Galloway | Rep | TBD | |||
| 16th | Alison Rabe | Dem | TBD | |||
| 17th | Carrie Semmelroth | Dem | TBD | |||
| 18th | Janie Ward-Engelking | Dem | Janie Ward-Engelking | Dem | ||
| 19th | Melissa Wintrow | Dem | TBD | |||
| 20th | Josh Keyser | Rep | TBD | |||
| 21st | Treg Bernt | Rep | TBD | |||
| 22nd | Lori Den Hartog | Rep | TBD | |||
| 23rd | Todd Lakey | Rep | TBD | |||
| 24th | Glenneda Zuiderveld | Rep | TBD | |||
| 25th | Josh Kohl | Rep | TBD | |||
| 26th | Ron Taylor | Dem | TBD | |||
| 27th | Kelly Anthon | Rep | TBD | |||
| 28th | Jim Guthrie | Rep | TBD | |||
| 29th | James Ruchti | Dem | TBD | |||
| 30th | Julie VanOrden | Rep | TBD | |||
| 31st | Van Burtenshaw | Rep | TBD | |||
| 32nd | Kevin Cook | Rep | TBD | |||
| 33rd | Dave Lent | Rep | TBD | |||
| 34th | Doug Ricks | Rep | TBD | |||
| 35th | Mark Harris | Rep | TBD | |||
