Iowa 3rd — House 2026 General Election
The Iowa 3rd — House general election is on November 3, 2026. The model favors Republican Zach Nunn at 74%, ahead of Democrat Sarah Trone Garriott at 26%. Zach Nunn is the incumbent and leads the field in reported fundraising and Sarah Trone Garriott has the most tracked endorsements. No public polling is available for this race, so the forecast leans on fundraising, endorsements, candidate profiles, and historical results.
Current win probabilities
- Zach Nunn (incumbent) — 74%
- Sarah Trone Garriott — 26%
Probabilities update daily from polls, fundraising, endorsements, and historical results.