





Primary Election
Party selects its nominee.
Current roleBusiness executive
PartyDemocratic
Political ideologyMainstream Democrat
LocationArizona
BackgroundBusiness executive
Notable personal detailsJonathan Treble is a Democratic candidate for the U.S. House in Arizona’s 1st Congressional District in the 2026 cycle. He is a small-business founder and executive, and has described himself publicly as a first-generation college graduate and a public-school parent involved with community organizations. He has an active federal campaign committee, Treble for Arizona.
Supports reversing recent tax cuts for the wealthiest, wants billionaires to pay a fairer share, and proposes restoring or expanding funding for social programs while protecting Social Security and Medicaid. Emphasizes using government policy to lower costs and invest in job creation and clean energy incentives.
Supports strengthening and expanding the Affordable Care Act, protecting Medicaid and coverage for preexisting conditions, and expanding access to affordable, quality care while preserving private options. Advocates restoring Medicaid funding, lowering premiums, investing in mental health and rural clinics, and broader access for Arizonans.
Supports modernizing legal immigration and protecting Dreamers while also calling for a secure border and investment in smart border technology; opposes cruel or inhumane policies. Advocates a functional, humane process that balances security needs with economic and humanitarian considerations.
The candidate supports protecting and expanding reproductive healthcare access, including abortion, contraception, and IVF; he advocates restoring the protections of Roe v. Wade nationwide and passing federal safeguards for reproductive healthcare.
Supports restoring and expanding federal clean-energy investments and programs (including the Greenhouse Gas Reduction Fund and Methane Emissions Reduction Program), rejects fossil-fuel campaign money, and prioritizes clean energy, conservation, and protection of water, air, and public lands while recognizing transitional needs for development.
Jonathan Treble is mentioned only in the context of broader Democratic Party election strategy. The DNC has launched a voter registration initiative after a reported net loss of 2.1 million registered Democrats from 2020 to 2024, starting with pilot efforts in Arizona and Nevada aimed at younger and working-class voters. The move signals a shift toward direct party-led registration efforts ahead of 2026 House contests.





Aggregation source: FiftyPlusOne
2026
LatestCycle 2026
Source: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.