Washington House 2018 — Model Retrospective

The model's final pre-election forecast gave Todd Mahaffey a 50% chance of winning the Washington House 2018 primary. Todd Mahaffey won, matching the model's top pick.

1. Todd Mahaffey — 50% model odds (won)
2. Patrick Dillon — 50% model odds (won)

Model accuracy · 2026 race forecasts