4 candidates are on the ballot. Below is what each one says they stand for, what they have actually done in office or in public life, and the arguments published for and against them — each quoted from a named source rather than summarised by us.
4 candidates · ballot order · Juan Ciscomani currently holds this seat
Medium confidenceMedium confidenceThe candidate's stated positions and basic record are documented, but coverage is thin — often little independent reporting, or criticism from only one side.What would raise it: More independent reporting, a documented voting record, or published criticism from a named opponent would raise this.
What they say they stand for
Their own words. Claims, not verified facts.
Border security, which he frames through his own upbringing on the border.
Lower taxes and small business support.
Water security for southern Arizona.
Support for Israel, reflected in his AIPAC and Republican Jewish Coalition endorsements.
A moderate positioning within his party, reflected in his Log Cabin Republicans endorsement.
What they’ve actually done
Documented record from official sources.
U.S. Representative for the 6th District since January 2023; re-elected in 2024 with 50.0%, one of the closest results in the country.
Former senior adviser to Governor Doug Ducey; born in Hermosillo, Mexico.
Voted for the 2025 budget reconciliation bill, which reduced federal spending on Medicaid and food assistance.
Won the July 21, 2026 Republican primary unopposed.
Reported $6,172,867 raised with $4,135,163 on hand — more cash on hand than his opponent.
Arguments in favor
He has President Trump, Speaker Mike Johnson, AIPAC, the Republican Jewish Coalition and the Log Cabin Republicans behind him — and an unusual bipartisan bloc of eleven county supervisors from across the district, three of them Democrats and one an independent.
— Endorsements from the officials and organisations named
He goes into the autumn with $4.14 million in the bank against his opponent's $3.26 million, despite being out-raised overall, and has already won this seat twice in a district Donald Trump carried by less than a point.
— Federal Election Commission filings; 2022 and 2024 results
Arguments against
Mendoza's central charge is that he voted for the 2025 reconciliation bill's cuts to Medicaid and food assistance, and that the resulting funding shortfalls fall hardest on the district's rural hospitals, which depend more heavily on Medicaid.
— JoAnna Mendoza campaign
He was out-raised $7.35 million to $6.17 million by a first-time candidate, and forecasters have moved the seat from a tossup toward the Democrats — unusual pressure on a sitting incumbent.
— Federal Election Commission filings; Decision Desk HQ and Silver Bulletin ratings
What we couldn’t verify
No National Republican Congressional Committee release naming Ciscomani was found, though the seat is among the most competitive in the country.
His response to the Medicaid criticism was not found.
Protecting Medicaid and rural hospitals in southeastern Arizona.
Veterans' services, drawn from her Marine Corps career and casework.
Lowering household costs.
Public education, reflected in her National Education Association endorsement.
Border management drawing on her military background.
What they’ve actually done
Documented record from official sources.
Retired United States Marine Corps master sergeant and former drill instructor; twenty years of service.
Former veterans services representative for Congressman Tom O'Halleran.
Won the July 21, 2026 Democratic primary unopposed.
Reported $7,354,599 raised — more than the incumbent — with $3,260,752 on hand.
Has not held elected office.
Arguments in favor
She out-raised a two-term incumbent in one of the most competitive districts in the country, $7.35 million to $6.17 million, and has both Arizona senators, Gabby Giffords, former congressman Ron Barber and a bloc of veteran House members behind her along with the National Education Association.
— Federal Election Commission filings; endorsements from the officials and organisations named
Forecasters have moved the race from a tossup toward a Democratic flip over the course of 2026 — Decision Desk HQ and Silver Bulletin both now rate it in her direction.
— Decision Desk HQ and Silver Bulletin ratings
Arguments against
Ciscomani argues she is "a progressive candidate seeking to position herself as a moderate," pointing to her endorsement list and to what he describes as a record of supporting higher taxes and reduced police funding.
— Juan Ciscomani campaign, reported by Cactus Politics
She has spent $4.09 million of the $7.35 million she raised and goes into the autumn with less cash on hand than the incumbent — $3.26 million to his $4.14 million — in a district Donald Trump carried.
— Federal Election Commission filings; 2024 presidential result in the district
What we couldn’t verify
Ciscomani's characterisation of her record on taxes and police funding is a campaign claim; she has not held elected office, so there is no voting record behind it, and the specific positions he refers to were not identified in the sources found.
Her response to that characterisation was not found.
Libertarian Party positions on limited government and individual liberty.
Offering a third choice in a district both major parties are contesting heavily.
What they’ve actually done
Documented record from official sources.
Won the July 21, 2026 Libertarian primary for this district.
Has not held elected office.
We found no published arguments for or against this candidate.
What we couldn’t verify
No published criticism of Peters by name could be found — not from either major-party campaign, not from a party committee, and not in Tucson-area news coverage — and no published case for him beyond the party's nomination. Because no case against him exists on the record, none is presented for him either.
No campaign website, biography, platform, fundraising figures or endorsements could be found.
In one of the country's closest districts, a Libertarian on the ballot may matter to the outcome even at a small share of the vote; no polling of his support was found.
Official write-in candidate for the Green Party nomination in the July 21, 2026 primary.
Listed as the Green Party (GRN) candidate on Pima County's official general election candidate list.
We found no published arguments for or against this candidate.
What we couldn’t verify
Swing's biography and policy positions could not be established: no campaign website, candidate questionnaire or news profile was located. The positions list is left empty rather than filled with guesses.
No published criticism of Swing by name could be found, and no published case for this candidacy beyond the ballot listing.
Positions and criticism are quoted from the named sources, not our assessments. This is built to help you start getting informed — confirm the official candidate list with your election authority before you vote.
Arizona held its primaries on July 21, 2026. Four candidates are printed on the November ballot, per Pima County's official general election candidate list: Republican incumbent Juan Ciscomani, Democrat JoAnna Mendoza, Libertarian Jereme Peters and Green Party candidate Gary Swing, who won the Green nomination as a write-in in the primary. Michael Dorland (independent) is a registered write-in candidate, per the Secretary of State's list of general election write-in candidates; write-ins are not printed on the ballot and are not profiled here. The district covers northern Tucson and its suburbs plus much of southeastern Arizona; Donald Trump carried it by less than a point in 2024 and Ciscomani won it with exactly 50.0%. The Cook Political Report calls it a true tossup and other forecasters have moved it toward the Democrats. Mendoza has out-raised Ciscomani $7.35 million to $6.17 million.
This is one contest on a longer ballot
A Arizona ballot also carries state legislative districts, county offices, judicial seats and often local questions — and which of them you vote on is decided by your street address, not your city or ZIP code.