Upset Brief · WA-04 · John Duresky (D) vs. Amanda McKinney (R)
A long shot on the math: it takes a 27.2-point national wave.
0%
odds today
<1%
odds with the plan
70,467
net votes to find
36
days left; voting starts October 16
Where
- 01+47Precinct 2103 (Yakima County)Starting line Duresky +32. 3.8% split their ticket. About 370 more ballots in 2024 than in 2022 (estimate).
- 02+42Mazama (Okanogan County)Starting line Duresky +64. 2.8% split their ticket. About 130 more ballots in 2024 than in 2022 (estimate).
- 03+40Precinct 2501 (Yakima County)Starting line Duresky +29. 5.2% split their ticket. About 324 more ballots in 2024 than in 2022 (estimate).
- 04+39Precinct 109 (Klickitat County)Starting line Duresky +48. 2.8% split their ticket. About 164 more ballots in 2024 than in 2022 (estimate).
- 05+38Precinct 004 (Franklin County)Starting line Duresky +22. 7.6% split their ticket. About 410 more ballots in 2024 than in 2022 (estimate).
- 06+37Precinct 0501 (Yakima County)Starting line Duresky +20. 8.1% split their ticket. About 334 more ballots in 2024 than in 2022 (estimate).
The top 12 precincts carry 7% of the plan.
How
- P+5,249Persuade5,249 voters who split their ticket in recent elections and lean McKinney today.
- M+505MobilizeAt least 6,287 people who voted in 2024 but not in 2022, in precincts where Duresky's side wins at least 55 percent.
- C+558ConsolidateVoters who went third party in recent races, in the precincts that lean Duresky's way.
Plus a national shift of 27.2 points of margin (64,154 votes) that no campaign controls.
What has to be true
- Duresky wins 50 percent of the ticket splitters now leaning McKinney.
- In Precinct 2103 (Yakima County) and Precinct 2501 (Yakima County), 35 percent of the people who voted in 2024 but skipped 2022 come back and vote.
- It would take a national shift of about 27.2 points toward Duresky's side, larger than any midterm swing in recent memory.
- 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 regression691 precincts, R² 0.936, 131 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -91,615 to -36,897 votes.
- 03Money, FEC candidate totals through July 15Duresky $34,309 cash on hand; McKinney $215,447.
- 04Call program for this list12,683 households, 38,049 dials, about 1,994 live conversations: an estimated $5,345 at published rates.
Independent analysis by The Political Group from official Washington Secretary of State precinct returns (2022 and 2024), FEC filings and published polls, as of September 27, 2026. Not affiliated with any candidate or party.