Arizona State Senate seat · lines in effect since 2022
Arizona Legislative District 25
A district of about 260,000 people, 39% Hispanic, 24% of adults with a bachelor's degree. It votes R+28.4 relative to the nation for president.
Where it sits among all 30 seats
Every Arizona State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | 2026 | |
|---|---|---|
| U.S. Senate | R+31.0 | No race |
| Arizona State Senate | No race | R+10.8 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: Arizona Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 30 seats. Small marks are other seats in Arizona. The black marker is District 25.
Lower than 72% of seats.
Higher than 66% of seats.
Higher than 76% of seats.
Higher than 55% of seats.
Lower than 76% of seats.
Less dense than 79% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.
District 1931% Hispanic · 30% college gradsR+23.7Held RDistrict 7
28% college gradsR+29.8Held RDistrict 29
27% Hispanic · 30% college gradsR+17.2Held RDistrict 16
35% Hispanic · 21% college gradsR+8.1Flipped D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2022.
- Timothy "tim" Dunn (R)
2025– · Won 2024 by 95.7, 2026 by 10.8 - Sine Kerr (R)
2023–2025 · Won 2022 by 93.2
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)