Iowa House 2018 — Model Retrospective

The model's final pre-election forecast gave Christopher Peters a 33% chance of winning the Iowa House 2018 primary. Christopher Peters won, matching the model's top pick.

1. Christopher Peters — 33% model odds (won)
2. Ginny Caligiuri — 33% model odds
3. Scattered — 33% model odds

Model accuracy · 2026 race forecasts