Democratic congressional candidate JoAnna Mendoza speaks at a panel on gun violence alongside Tucson Mayor Regina Romero, former U.S. Rep. Gabby Giffords and Tucson Unified School District Governing Board member Natalie Luna Rose on Feb. 1, 2026.
A big-money electoral battle is taking shape in southern Arizona as donations flow into the sixth congressional district race.
With the 2026 midterm elections nine months away, U.S. Rep. Juan Ciscomani, the Republican incumbent, raised just over $1 million in the last three months of 2025, campaign finance records show. His main challenger, Democrat JoAnna Mendoza, reported raising over $950,000…