Updated Oct 16, 2026, 2:28 PM ET
Democratic · 3 November 2026

JoAnna Mendoza

JoAnna Mendoza, a Democrat and former veteran services representative for U.S. Representative Tom O'Halleran, faces Republican incumbent Juan Ciscomani for Arizona's 6th congressional district in 2026.

2026 Races & Market Forecast

Live TruthIndex™ and prediction market consensus for races contested by JoAnna Mendoza.

Latest coverage

Live News

Recent media coverage for JoAnna Mendoza.

  1. Election 2026 Latinos | National News

    The page covers Election 2026 news related to Latino communities, with a photo and caption featuring JoAnna Mendoza, a Democratic candidate for Arizona’s 6th Congressional District (AZ-06).

    Idaho Falls Post Register
  2. David Flippo’s campaign is backed by election deniers

    JoAnna Mendoza is the subject of a political ad controversy in Arizona’s 6th Congressional District.

    American Journal News
  3. Minnesotans: Trump’s Raid on Ilhan Omar Will Backfire Big-Time

    The linked article from The New Republic discusses reactions to former President Trump’s raid on Ilhan Omar and predicts political backlash in Minnesota, rather than focusing on Arizona.

    New Republic
  4. This Montana Democrat Is Running a Nail-Biter of a Midterm Experiment

    A campaigning anecdote: Tucson Mayor Regina Romero is seen knocking doors for Mendoza, and Mendoza previously volunteered on Romero’s first mayoral campaign.

    New Republic

Biography & Campaign Analysis

2026 race

JoAnna Mendoza, a former veteran services representative for U.S. Representative Tom O'Halleran, is the Democratic nominee in the 2026 election for Arizona's 6th congressional district.

The district encompasses much of southeastern Arizona, with the bulk of its population in northern Tucson and its suburbs.

Several Democratic candidates withdrew before the primary, including former FBI agent Johnathan Buma and immigration attorney Mo Goldman, and Mendoza was unopposed, receiving 78,310 votes.

In the general election on November 3, 2026, she faces Republican incumbent Juan Ciscomani, who was reelected with 50.0% of the vote in 2024.