JoAnna Mendoza Defeats Juan Ciscomani in Arizona 6th Congressional District
Decision Desk HQ projected JoAnna Mendoza as the winner of Arizona’s 6th Congressional District at 10:12 p.m. Eastern time on Tuesday, giving Democrats a pickup in southern Arizona, The Advocate reported. With 70 percent of votes counted, Mendoza held a 58 to 40 percent lead over incumbent Republican Representative Juan Ciscomani, according to The Advocate. The Hill noted that Democrats need a net gain of three seats to retake the lower chamber.
Ciscomani first won the seat in 2022 and narrowly won reelection, though Democrats have carried the district in statewide races. The newly elected lawmaker spent nearly two decades in the military, serving two years in the Navy and 17 in the Marine Corps as a drill instructor. Her service spanned the federal “don’t ask, don’t tell” era that banned openly gay, lesbian, and bisexual troops until its repeal in 2011. That background influenced her approach to public office. “To be a leader means to do what’s right, even when people say it’s wrong, and in the face of adversity,” Mendoza told The Advocate in a November 2025 interview.
Economic Policy Clashes Define Southern Arizona Campaign
During a September debate, Mendoza and Ciscomani sparred over the cost of living, health care, veterans’ issues, border security, immigration, and water rights. Mendoza campaigned aggressively on protecting Medicaid and restoring funding for vital safety-net initiatives, including the Supplemental Nutrition Assistance Program and the Special Supplemental Nutrition Program for Women, Infants, and Children. The Hill reported that Mendoza’s campaign focused heavily on Ciscomani’s consistent support for GOP policies, such as the One Big Beautiful Bill Act, which will cut close to $1 trillion from Medicaid and more than $180 billion from the Supplemental Nutrition Assistance Program.
Beyond economic concerns, Mendoza’s victory introduces another openly LGBTQ+ voice to Capitol Hill where debates over transgender rights, military service, and federal civil rights protections have become increasingly contentious. Reflecting on her transition from military service to electoral politics, Mendoza told The Advocate that she wanted to “make politics boring again” by focusing squarely on constituent services. “I’m not a show horse,” she stated. “I’m a workhorse, and I want to get stuff done for our district.”

Frequently Asked Questions About the Arizona House Race
When did Decision Desk HQ project the winner of Arizona’s 6th Congressional District?
Decision Desk HQ called the race at 10:12 p.m. Eastern time on Tuesday night with 70 percent of the vote counted, The Advocate reported.
What were the vote percentages when the race was called?
JoAnna Mendoza led Republican incumbent Juan Ciscomani 58 to 40 percent when the race projection was announced, according to The Advocate.
Queer Marine veteran JoAnna Mendoza flips Arizona House seat, defeating Republican Juan Ciscomani https://t.co/RGmCHIkeD6
When was Juan Ciscomani originally elected to Congress?
Ciscomani won his seat in the House of Representatives in 2022, as noted by The Hill.