2026 Idaho Senate election

2026 Idaho State Senate election

November 3, 2026 (2026-11-03)

All 35 seats in the Idaho Senate
18 seats needed for a majority
 
Leader Lori Den Hartog Melissa Wintrow
Party Republican Democratic
Leader's seat 22nd 19th
Current seats 29 6

Legend:
     Democratic incumbent      Republican incumbent

Incumbent Majority Leader

Lori Den Hartog
Republican



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. 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.