Massachusetts House 2020 — Model Retrospective

The model's final pre-election forecast gave Julie A. Hall a 74% chance of winning the Massachusetts House 2020 primary. Julie A. Hall won, matching the model's top pick.

  1. Julie A. Hall — 74% model odds (won)
  2. David Rosa — 13% model odds
  3. All Others — 13% model odds

Model accuracy · 2026 race forecasts