Iowa Senate 2022 — Model Retrospective

The model's final pre-election forecast gave Chuck Grassley a 79% chance of winning the Iowa Senate 2022 primary. Chuck Grassley won, matching the model's top pick.

  1. Chuck Grassley — 79% model odds (won)
  2. Michael Franken — 21% model odds
  3. Scattered — 0% model odds

Model accuracy · 2026 race forecasts