Candidate · Arizona · Democrat

JoAnna Mendoza

Candidate for U.S. House, Arizona District 6 (2026)

JoAnna Mendoza is a retired U.S. Marine from Eloy, Arizona, who served about 20 years in the Navy and Marine Corps and later worked on veterans services for former U.S. Representative Tom O'Halleran. She is the Democratic nominee for Arizona's 6th Congressional District in 2026, having been unopposed in the July 21, 2026 primary, and faces Republican incumbent Juan Ciscomani.

Public record

Office and sources

Running for: Candidate for U.S. House, Arizona District 6 (2026)
Running in: Arizona
Public role: 2026 general-election candidate
Record includes: Source-linked checks, statements, and coverage
Military service: U.S. Navy and U.S. Marine Corps, about 20 years; deployed to Iraq and Afghanistan
Prior role: Veterans services staffer for U.S. Rep. Tom O'Halleran
Hometown: Eloy, Arizona
2026 general election opponent: U.S. Rep. Juan Ciscomani (R), incumbent

Background

Biography

JoAnna Mendoza is a retired U.S. Marine and the Democratic nominee for Arizona's 6th Congressional District. She grew up in Eloy, in Pinal County, and is a lifelong Arizonan. After high school she joined the Navy and then the Marine Corps, serving about 20 years in all, with deployments to Iraq and Afghanistan; in the Marine Corps she served as a drill instructor and later as an instructor of drill instructors. After leaving the military she worked as a veterans services staffer for former U.S. Representative Tom O'Halleran. She is a first-time candidate for office. She was unopposed in the July 21, 2026 Democratic primary. She faces Republican U.S. Representative Juan Ciscomani, who was first elected in 2022, reelected in 2024 against Democrat Kirsten Engel and is seeking a third term, in the November 3, 2026 general election.

Voting record

This office does not cast congressional roll-call votes.

Candidate for U.S. House, Arizona District 6 (2026) is an executive office. The Baseline will not manufacture a congressional voting score for it; sourced checks, statements, and coverage appear below.

The Baseline desk

Published claim checks

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When The Baseline verifies and publishes a check on a claim by JoAnna Mendoza, it will appear here with its evidence and primary sources. An empty record is not a rating.

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Candidate · Arizona · Democrat

JoAnna Mendoza

Candidate for U.S. House, Arizona District 6 (2026)

Public record

Office and sources

Running for: Candidate for U.S. House, Arizona District 6 (2026)
Running in: Arizona
Public role: 2026 general-election candidate
Record includes: Source-linked checks, statements, and coverage
Military service: U.S. Navy and U.S. Marine Corps, about 20 years; deployed to Iraq and Afghanistan
Prior role: Veterans services staffer for U.S. Rep. Tom O'Halleran
Hometown: Eloy, Arizona
2026 general election opponent: U.S. Rep. Juan Ciscomani (R), incumbent

Background

Biography

Voting record

This office does not cast congressional roll-call votes.

The Baseline desk

Published claim checks

Claim checks are reviewed editorial work. They are separate from the voting-data summaries above.

No published checks yet

When The Baseline verifies and publishes a check on a claim by JoAnna Mendoza, it will appear here with its evidence and primary sources. An empty record is not a rating.

Biography

This office does not cast congressional roll-call votes.

Published claim checks

Also from Arizona

Biography

This office does not cast congressional roll-call votes.

Published claim checks

Also from Arizona