Who’s running to represent Idaho in Congress in the 2026 election? Incumbents face challengers. • Idaho Capital Sun
Incumbent Republicans U.S. Sen. Jim Risch, Rep. Mike Simpson and Rep. Russ Fulcher are all running for re-election, and facing primary challengers
The U.S. Capitol on March 14, 2024. (Photo by Jennifer Shutt/States Newsroom)
All members of Idaho’s congressional delegation who are up for re-election are running, and they are facing primary election challengers.
This year, three of Idaho’s four congressional seats are up for election — one seat in the U.S. Senate and both of its seats in the U.S. House.
First, candidates with a declared party will vie for the party’s bid in the May 19 primary election. Then, winners of the races will ultimately be determined in the November general election.
But in Idaho, Republican primary elections often decide major elections. Idaho voters last elected a Democrat to statewide office in 2002. Since 1992, Republicans have held a supermajority in both chambers of the Idaho Legislature. Only registered Republican voters can vote in Idaho’s closed GOP prim…