Tim Dunn
Photo: Gage Skidmore, CC BY-SA 3.0
RepublicanIn office since Nov 2024

Tim Dunn

Arizona State Senator, District 25 since 2024. Re-elected in 2026. Next on the ballot in 2028.

Arizona State Senator, District 25

In office
1 yr
Since 2024
Bills became law
16
77 sponsored, 2025–2026 session
Votes missed
0.0%
Chamber median 3.3%
With party
99%
On votes splitting the parties
Last margin
+10.8
Won 2026
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Natural Resources · vice chair
  • Education
  • Legislative Audit
  • Military Affairs and Border Security

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 77 sponsored · 16 became law
BillIntroCmteSenateHouseLaw
SB 1336 state land department; continuation; oversight
Became law Jun 2026
SB 1335 water banking; annual report; posting
Became law Jun 2026
SB 1160 drones; entertainment districts; prohibition
Became law Jun 2026
SB 1198 Arizona beef council; continuation
Became law Jun 2026
SB 1560 cap; water supply development fund
Became law Jun 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Dunn sits in the Arizona State Senate

Dunn is closer to the center than 65% of the chamber's Republicans.

Dem. medianRep. medianDunnMore liberalMore conservative

Closest: T.J. Shope, Kevin Payne, John Kavanagh

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:45 PM ET

With Dunn’s party

  • Votes with the chamber's Republicans99%
  • Cosponsorships of the other party's bills27%

Black tick: the average of Republicans in the Arizona State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Dunn’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillDunnRep. majorityDem. majorityResult
Jun 12, 2026HB 2800: ignition interlock devices; violation; classificationYesNoYesPassed 17–12
Jun 12, 2026HB 2305: private towing carriers; regulation; ratesYesYesNoFailed 13–14
Jun 9, 2026HB 2611: group homes; safety; training; rightsYesYesNoPassed 17–12
Mar 9, 2026HB 2993: DPS; legal representation; appropriationYesYesNoPassed 16–13
Mar 4, 2026SB 1627: schools; prohibition; unmanned aircraftYesYesNoPassed 16–13

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Dunn was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026Arizona Legislative District 25WonR+10.8R+29.6−18.8
2024Arizona State Senate, District 25Won———
2022Arizona House of Representatives, District 25WonR+3.8——
2020Arizona House of Representatives, District 13WonR+0.7——
2018Arizona House of Representatives, District 13WonR+2.4——

Source: 99chambers results archive; 2026: Arizona Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$52.1K
Spent
$68.8K
Cash
$37.3K

Source: Arizona Secretary of State filings through Sep 30, 2026Updated Nov 7, 2026, 1:20 PM ET

Campaign committees

Open committees can still raise and spend money.

Tim Dunn for AZ Senate
State
Active

Source: Arizona Secretary of State filings through Sep 30, 2026Updated Nov 7, 2026, 1:20 PM ET

How we know Dunn

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET