Upset Brief · TX-38 · Melissa McDonough (D) vs. Jon Bonck (R)
A long shot on the math: it takes a 18.9-point national wave.
<1%
odds today
<1%
odds with the plan
55,417
net votes to find
37
days left; voting starts October 19
Where
- 01+107Precinct 309 (Harris County)Starting line Bonck +28. 7.8% split their ticket.
- 02+103Precinct 512 (Harris County)Starting line McDonough +15. 5.2% split their ticket. About 988 more ballots in 2024 than in 2022 (estimate).
- 03+100Precinct 234 (Harris County)Starting line Bonck +21. 6.5% split their ticket.
- 04+100Precinct 116 (Harris County)Starting line Bonck +28. 7.9% split their ticket.
- 05+89Precinct 438 (Harris County)Starting line Bonck +26. 6.7% split their ticket.
- 06+88Precinct 265 (Harris County)Starting line Bonck +25. 6.6% split their ticket.
The top 12 precincts carry 17% of the plan.
How
- P+5,248Persuade5,248 voters who split their ticket in recent elections and lean Bonck today.
- M+178MobilizeAt least 2,924 people who voted in 2024 but not in 2022, in precincts where McDonough's side wins at least 55 percent.
- C+847ConsolidateVoters who went third party in recent races, in the precincts that lean McDonough's way.
Plus a national shift of 18.9 points of margin (49,144 votes) that no campaign controls.
What has to be true
- McDonough wins 50 percent of the ticket splitters now leaning Bonck.
- In Precinct 512 (Harris County), 35 percent of the people who voted in 2024 but skipped 2022 come back and vote.
- The national environment moves about 18.9 points toward McDonough'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 regression174 precincts, R² 0.985, 30 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -79,661 to -18,710 votes.
- 03Money, FEC candidate totals through June 30McDonough $43,939 cash on hand; Bonck $89,133.
- 04Call program for this list10,930 households, 32,790 dials, about 1,718 live conversations: an estimated $4,877 at published rates.
Independent analysis by The Political Group from official Texas 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.