Toss-Up
Arizona Congressional Districts 2026
Arizona has 9 congressional seats in the US House of Representatives. Most competitive: AZ-1 (Tucson/rural, toss-up), AZ-6 (Phoenix suburb, R+5).
9
House Seats
D+0.3
2024 Presidential
3
Safe D Seats
5
Safe R Seats
Arizona House Districts Overview
| District | Rating | Region / Key Area | 2024 Margin |
|---|---|---|---|
| AZ-1 | Toss-Up | Tucson/rural/Navajo | D+1 |
| AZ-2 | Democratic | Tucson city | D+22 |
| AZ-3 | Democratic | Phoenix west/Hispanic | D+30 |
| AZ-4 | Democratic | Phoenix central | D+18 |
| AZ-5 | Republican | East Valley suburbs | R+12 |
| AZ-6 | Republican | Scottsdale/East Valley | R+5 |
| AZ-7 | Republican | East AZ rural | R+28 |
| AZ-8 | Republican | NW Phoenix suburbs | R+18 |
| AZ-9 | Republican | Chandler/Mesa | R+8 |
District Analysis
Arizona gained a seat after the 2020 census, going from 9 to 9 (unchanged). AZ-1 stretches from Tucson northeast to the Navajo Nation and is competitive. AZ-6 in the Phoenix suburbs leans Republican but has seen close races. AZ-7 and AZ-9 are safe Republican.
2026 Race Outlook
Most competitive districts in Arizona for 2026: AZ-1 (Tucson/rural, toss-up), AZ-6 (Phoenix suburb, R+5).
The 2026 midterm election will be held on November 3, 2026. Primary elections in Arizona are typically held in the spring or summer of 2026. Candidates begin filing in late 2025 or early 2026, depending on Arizona election law.
Related Pages
Arizona Overview
Polling, ratings, and candidates
Arizona House Races
2026 House race profiles
Arizona Polling History
Historical results by district
House 2026 Tracker
All competitive House races nationally
How House Elections Work
Districts, gerrymandering, and more
Arizona Voting Laws
Voter ID, early voting, registration
