Lupe Diaz
Photo: Gage Skidmore, CC BY-SA 3.0
RepublicanIn office since Nov 2022

Lupe Diaz

Arizona State Representative, District 19 since 2022. Re-elected in 2026. Next on the ballot in 2028.

Arizona State Representative, District 19

In office
3 yrs
Since 2022
Bills became law
0
46 sponsored, 2025–2026 session
Votes missed
0.1%
Chamber median 5.0%
With party
97%
On votes splitting the parties
Last margin
−2.3
Won 2026
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

  • Land, Agriculture and Rural Affairs · chair
  • Appropriations
  • Commerce

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

Legislation

2025–2026 session · 46 sponsored · 0 became law
BillIntroCmteHouseSenateLaw
HB 2170 state contracts; foreign adversary; prohibition
Vetoed Jun 2026
HB 2167 attorney general; nuisance action; damages
Vetoed Apr 2026
HB 2787 federal nullification; Mexican wolf; reintroduction
Vetoed Apr 2026
HB 2168 public nuisance action; consent requirement
Failed in the Senate Apr 2026
HB 2156 livestock compensation fund; appropriation
Failed in the Senate Mar 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Diaz sits in the Arizona House of Representatives

Diaz is closer to the center than 47% of the chamber's Republicans.

Dem. medianRep. medianDiazMore liberalMore conservative

Closest: Pamela Carter, Gail Griffin, John Gillette

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

With Diaz’s party

  • Votes with the chamber's Republicans97%
  • Cosponsorships of the other party's bills4%

Black tick: the average of Republicans in the Arizona House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillDiazRep. majorityDem. majorityResult
Jun 11, 2026HB 2873: competitive sealed bidding; questions; answersYesYesNoFailed 27–24
Jun 11, 2026SB 1511: commercial vehicles; operator; lawful presenceYesYesNoFailed 26–27
Jun 9, 2026HB 2592: artificial intelligence; state agencies; rulesYesYesNoPassed 32–23
Jun 2, 2026SB 1205: motor vehicle booting; fees; regulationNoNoYesFailed 30–27
Jun 2, 2026SB 1133: candidate financial disclosures; public officersYesYesNoPassed 32–23

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

Career

Offices held, and every time Diaz 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 19WonD+2.3R+23.2−25.5
2024Arizona House of Representatives, District 19WonD+3.5——
2022Arizona House of Representatives, District 19WonD+3.1——

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

Campaign money, 2025–26

Raised
$66.7K
Spent
$66.6K
Cash
$27.3K

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.

Conservatives For Diaz
State
Active

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

How we know Diaz

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET