Arizona 1st — House 2026 Dem Primary
The Arizona 1st — House dem primary is scheduled for July 21, 2026. The model sees a close race: Amish Shah edges Marlene Galán-Woods, 44% to 37% in a 6-candidate field. Jonathan Treble leads the field in reported fundraising and Marlene Galán-Woods has the most tracked endorsements. Public polling is available for this race and feeds the forecast alongside fundraising, endorsements, and historical results.
Current win probabilities
- Amish Shah — 44%
- Marlene Galán-Woods — 37%
- Jonathan Treble — 15%
- Rick McCartney — 2%
- Mark Robert Gordon — 1%
- Victor Weintraub — 1%
Probabilities update daily from polls, fundraising, endorsements, and historical results. Last updated July 23, 2026.