Idaho voters are casting ballots Tuesday in the state's two U.S. House primaries, where Republican incumbents Russ Fulcher and Mike Simpson are each seeking renomination against a field of intraparty challengers. Polls close at 8 p.m. PDT, and Decision Desk HQ will provide live results as they come in.
Fulcher, who represents Idaho's 1st Congressional District, faces a primary contest that could test his standing with the GOP base. Simpson, the veteran lawmaker from the 2nd District, is also navigating a primary challenge as he pursues another term. Both incumbents are heavily favored, but the primaries serve as a barometer of internal party sentiment in a deeply Republican state.
The Incumbents and Their Challengers
Fulcher, first elected in 2018, has built a conservative record aligned with the House Freedom Caucus. His primary opponents include candidates who have criticized his votes on spending and immigration. Simpson, a more centrist Republican who has served since 1999, has drawn fire from the right over his support for earmarks and his role in infrastructure negotiations.
Neither race is expected to be as contentious as some other primaries around the country, but the outcomes will signal whether the party's activist wing is gaining traction. In neighboring states, similar dynamics are playing out: Oregon House incumbents are also facing voters Tuesday, and Alabama's House primaries have drawn national attention.
Idaho's Political Landscape
Idaho's Republican lean means the general election is all but decided in the primary. The winners of Tuesday's contests will be heavy favorites in November, given the state's solid GOP tilt. This makes the primary a critical battleground for the direction of the state's congressional delegation.
Fulcher and Simpson have both drawn support from establishment Republicans, but their challengers are tapping into grassroots frustration with Washington. The results will be closely watched by political observers as a gauge of the GOP's internal divisions.
The primary comes amid a broader set of contests across multiple states, including Idaho's Senate primary, where incumbent Jim Risch also faces GOP challengers. That race, along with the House primaries, will shape the state's delegation for the next Congress.
What to Watch
Key factors include turnout, which tends to be low in midterm primaries, and the impact of any late-breaking endorsements or advertising. The challengers have focused on fiscal conservatism and border security, while incumbents emphasize their experience and committee seniority.
Decision Desk HQ will update results in real time as precincts report. The first returns are expected shortly after polls close at 8 p.m. PDT. For context on how primary night is unfolding elsewhere, The Hill is coordinating live coverage across six states.
Stay with The World Signal for analysis and full results as Idaho's House primaries set the stage for November.
