The Republican stronghold of Idaho faces an unusual independent challenge

History · Published 5 October 2026 Swipe more like this →

In short: In a state where Republicans have held every Senate seat since 1974, the upcoming 2026 election features a rare shake-up. While incumbent Jim Risch seeks a fourth term, the Democratic field collapsed under internal pressure, leading to the rise of an independent challenger in a high-stakes political environment.

The 2026 United States Senate election in Idaho is defined by a long-standing partisan dominance. Republicans have maintained a perfect record in the state's Senate races for over fifty years, having not lost a seat since 1974. This historical trend provides a stable backdrop for incumbent Jim Risch, who is currently campaigning for his fourth term in the chamber. However, the primary landscape revealed significant friction within the Democratic party.

David Roth, a realtor who previously secured the nomination in 2022, initially held the mantle but faced an internal revolt. In July 2026, the Ada County Democratic Central Committee issued an ultimatum to Roth: he had to raise $50,000 and present a formal campaign plan by August 12 or face a loss of support.

The committee expressed concern that his campaign was "not positioned to meet the moment," citing a unique political environment in Idaho that they felt could not be wasted. The resulting drama saw Roth accuse local leaders of trying to force him out, calling their demands ridiculous before ultimately withdrawing on July 28. This vacancy allowed Todd Achilles, an independent and former Democratic state representative from the 16th district, to enter the race with the backing of Democratic leaders. The shift highlights a nuanced dynamic where established party structures may prioritize strategic viability over traditional loyalty when facing a formidable incumbent in a historically lopsided political landscape.

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