Iowa Senate 2016 — Model Retrospective

The model's final pre-election forecast gave Charles E. Grassley an 82% chance of winning the Iowa Senate 2016 primary. Charles E. Grassley won, matching the model's top pick.

  1. Charles E. Grassley — 82% model odds (won)
  2. Scattered — 18% model odds

Model accuracy · 2026 race forecasts