Upset Brief · AZ-07 · Daniel Butierez Sr. (R) vs. Adelita Grijalva (D), incumbent
A long shot on the math: it takes a 25.7-point national wave.
0%
odds today
<1%
odds with the plan
55,977
net votes to find
37
days left; voting starts October 7
Where
- 01+206Precinct 005 (Pima County)Starting line Butierez +39. 4.5% split their ticket. About 1,097 more ballots in 2024 than in 2022 (estimate).
- 02+114Hidden Valley (Pinal County)Starting line Butierez +44. 4.5% split their ticket. About 554 more ballots in 2024 than in 2022 (estimate).
- 03+83Precinct 041 (Pima County)Starting line Grijalva +23. 4.6% split their ticket.
- 04+77Precinct 222 (Pima County)Starting line Butierez +30. 5.0% split their ticket. About 419 more ballots in 2024 than in 2022 (estimate).
- 05+74Crystal Gardens (Maricopa County)Starting line Grijalva +19. 5.8% split their ticket.
- 06+65Precinct 083 (Pima County)Starting line Butierez +25. 4.0% split their ticket. About 419 more ballots in 2024 than in 2022 (estimate).
The top 12 precincts carry 21% of the plan.
How
- P+4,204Persuade4,204 voters who split their ticket in recent elections and lean Grijalva today.
- M+456MobilizeAt least 4,121 people who voted in 2024 but not in 2022, in precincts where Butierez's side wins at least 55 percent.
- C+59ConsolidateVoters who went third party in recent races, in the precincts that lean Butierez's way.
Plus a national shift of 25.7 points of margin (51,257 votes) that no campaign controls.
What has to be true
- Butierez wins 50 percent of the ticket splitters now leaning Grijalva.
- In Precinct 005 (Pima County) and Hidden Valley (Pinal County), 35 percent of the people who voted in 2024 but skipped 2022 come back and vote.
- The national environment moves about 25.7 points toward Butierez's side between now and November 3.
- No 2026 public poll exists for this race, so the starting line is a weighted blend of official recent results; the first real poll will move it.
The numbers behind it
- 01Crossover regression201 precincts, R² 0.965, 41 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -74,713 to -27,924 votes.
- 03Money, FEC candidate totals through July 1Butierez $11,399 cash on hand; Grijalva $427,977.
- 04Call program for this list8,762 households, 26,285 dials, about 1,377 live conversations: an estimated $4,128 at published rates.
Independent analysis by The Political Group from official Arizona Secretary of State precinct returns (2022 and 2024), FEC filings and published polls, as of September 26, 2026. Not affiliated with any candidate or party.