Iowa Senate 2026 Dem Primary
The Iowa Senate dem primary is scheduled for June 2, 2026. The model makes Josh Turek the clear favorite at 80%, ahead of Zach Wahls at 20%. Josh Turek leads the field in reported fundraising and 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
- Josh Turek — 80%
- Zach Wahls — 20%
Probabilities update daily from polls, fundraising, endorsements, and historical results. Last updated October 26, 2026.