Iowa Senate 2026 Primary

The Iowa Senate primary is scheduled for June 2, 2026. Thomas Laehn is running unopposed. Public polling is available for this race and feeds the forecast alongside fundraising, endorsements, and historical results.

Current win probabilities

  1. Thomas Laehn — 100%

Probabilities update daily from polls, fundraising, endorsements, and historical results.

All 2026 race forecasts · About the model