Lupe Diaz
Arizona State Representative, District 19 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.
- 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
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Diaz sits in the Arizona House of Representatives
Diaz is closer to the center than 47% of the chamber's Republicans.
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.
| Date | Bill | Diaz | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Jun 11, 2026 | HB 2873: competitive sealed bidding; questions; answers | Yes | Yes | No | Failed 27–24 |
| Jun 11, 2026 | SB 1511: commercial vehicles; operator; lawful presence | Yes | Yes | No | Failed 26–27 |
| Jun 9, 2026 | HB 2592: artificial intelligence; state agencies; rules | Yes | Yes | No | Passed 32–23 |
| Jun 2, 2026 | SB 1205: motor vehicle booting; fees; regulation | No | No | Yes | Failed 30–27 |
| Jun 2, 2026 | SB 1133: candidate financial disclosures; public officers | Yes | Yes | No | Passed 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.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | Arizona House of Representatives, District 19 | Won | D+2.3 | R+23.2 | −25.5 |
| 2024 | Arizona House of Representatives, District 19 | Won | D+3.5 | R+23.2 | −26.7 |
| 2022 | Arizona House of Representatives, District 19 | Won | D+3.1 | R+25.2 | −28.3 |
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
Seats Diaz has held
- Arizona House of Representatives, District 19 · since 2022
Source: 99chambers results archive
Who Diaz has run against
- David Gowan (R) · 2026 election, won
- Gail Griffin (R) · 2024 election, won
Source: 99chambers results archive; 2026: Arizona Secretary of State (unofficial)
How we know Diaz
One person, matched across every source we use.
- Open States ocd-person/bc52f516-a13b-4490-a12c-7b98fa3969e5
- Wikidata Q110513877
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET