Primary Elections
Arizona Primary Elections 2026
Primary date, filing deadlines, key contested races, and what to watch in Arizona ahead of the 2026 general election.
August 4, 2026
Primary Date
None
Runoff / RCV
April 2026
Filing Deadline
High — competitive primaries o
Competitiveness
Key 2026 Primary Races
| U.S. Senate | Open seat (if Gallego runs for Gov) or Mark Kelly (D) stays until 2028 |
| Governor | Katie Hobbs (D) up 2026 |
| U.S. House | AZ-6 (Ciscomani), AZ-1 (Schweikert) |
2026 Primary Overview
Arizona holds closed primaries (only registered party members can vote). The governor race will see competitive Democratic and Republican primaries. The Senate picture depends on who runs.