Colorado 1st — House 2026 General Election

The Colorado 1st — House general election is on November 3, 2026. The model makes Democrat Diana DeGette the heavy favorite at 100%, with Republican Christy Peterson at 0%. Diana DeGette is the incumbent, leads the field in reported fundraising, and has the most tracked endorsements. No public polling is available for this race, so the forecast leans on fundraising, endorsements, candidate profiles, and historical results.

Current win probabilities

  1. Diana DeGette (incumbent) — 100%
  2. Christy Peterson — 0%

Probabilities update daily from polls, fundraising, endorsements, and historical results.

All 2026 race forecasts · About the model