Iowa 3rd — House 2026 General Election
The Iowa 3rd — House general election is on November 3, 2026. The model favors Republican Zach Nunn at 75%, ahead of Democrat Sarah Trone Garriott at 25%. Zach Nunn is the incumbent and leads the field in reported fundraising and Sarah Trone Garriott has the most tracked endorsements. Public polling is available for this race and feeds the forecast alongside fundraising, endorsements, and historical results.
Current win probabilities
- Zach Nunn (incumbent) — 75%
- Sarah Trone Garriott — 25%
Probabilities update daily from polls, fundraising, endorsements, and historical results. Last updated July 23, 2026.