| Election Name: | 2024 Idaho State Senate election |
| Country: | Idaho |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2022 Idaho Senate election |
| Previous Year: | 2022 |
| Next Election: | 2026 Idaho Senate election |
| Next Year: | 2026 |
| Seats For Election: | All 35 seats in the Idaho Senate |
| Majority Seats: | 18 |
| Leader1: | Kelly Anthon |
| Party1: | Republican |
| Colour1: | ff3333 |
| Leaders Seat1: | 27th |
| Seats Before1: | 28 |
| Seats After1: | 29 |
| Seat Change1: | 1 |
| Party2: | Idaho Democratic Party |
| Leaders Seat2: | 19th |
| Seats Before2: | 7 |
| Seats After2: | 6 |
| Seat Change2: | 1 |
| Map Size: | 350px |
| Majority Leader | |
| Before Election: | Kelly Anthon |
| Before Party: | Idaho Republican Party |
The 2024 Idaho Senate election was held on November 5, 2024, alongside the 2024 United States elections.[1] For the first time in thirty years, the Idaho Democratic Party ran candidates in each legislative district on the ballot.[2]
In the 2020 Presidential Election, Republican Donald Trump won the most votes in 31 of Idaho's legislative districts, and Democrat Joe Biden won the most votes in 4 districts. Going into the 2024 Idaho Senate election, there are 3 districts in which Trump won the most votes in 2020 that are currently represented by Democrats: District 15 in Suburban Ada County (Trump + 5%); Blaine County-based District 26 (Trump + 0.05%); and Pocatello-based District 29 (Trump + 10%).
Five incumbent senators, all Republicans, were defeated in the May 21 primary election.[3]
Scott Herndon lost renomination to Jim Woodward.
Geoff Schroeder lost renomination to Christy Zito.
Chris Trakel lost renomination to Camille Blaylock.
Chuck Winder lost renomination to Josh Keyser.
Linda Wright Hartgen lost renomination to Josh Kohl.
| align=center | District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26 • District 27 • District 28 • District 29 • District 30 • District 31 • District 32 • District 33 • District 34 • District 35 |