This year’s filing deadline for candidates running for the U.S. House of Representatives in Arizona was March 23, 2026.
This year has the second-fewest number of candidates running for the U.S. House since 2014. Twenty-seven candidates — 16 Democrats and 11 Republicans — are running for Arizona’s nine congressional districts. That’s three candidates per district. There were 4.2 candidates per district in 2024, 4.4 in 2022, 3.8 in 2020, 4.2 in 2018, 3.4 in 2016, and 2.8 in 2014.