Upset Brief · OR-05 · Patti Adair (R) vs. Janelle Bynum (D), incumbent

Adair can win. The plan uses 28 percent of what history allows.

43%
odds today
51%
odds with the plan
4,370
net votes to find
36
days left; voting starts October 14
Where
  1. 01
    Precinct 604 (Clackamas County)
    Starting line Adair +8. 8.2% split their ticket.
    +235
  2. 02
    Precinct 29 (Deschutes County)
    Starting line Adair +26. 7.6% split their ticket.
    +203
  3. 03
    Precinct 156 (Clackamas County)
    Starting line Bynum +37. 8.5% split their ticket.
    +171
  4. 04
    Precinct 35 (Deschutes County)
    Starting line Bynum +33. 8.1% split their ticket.
    +154
  5. 05
    Precinct 158 (Clackamas County)
    Starting line Bynum +40. 7.4% split their ticket.
    +135
  6. 06
    Precinct 47 (Deschutes County)
    Starting line Bynum +30. 10.3% split their ticket.
    +130

The top 12 precincts carry 38% of the plan.

How
  • P
    Persuade
    11,262 voters who split their ticket in recent elections and lean Bynum today.
    +3,147
  • M
    Mobilize
    At least 17,494 people who voted in 2024 but not in 2022, in precincts where Adair's side wins at least 55 percent.
    +490
  • C
    Consolidate
    Voters who went third party in recent races, in the precincts that lean Adair's way.
    +953
What has to be true
  1. Adair wins 14 percent of the ticket splitters now leaning Bynum.
  2. No national wave is required. The plan uses 28 percent of what recent Oregon results show is possible.
  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
  • 01
    Crossover regression
    243 precincts, R² 0.989, 35 crossover precincts identified
  • 02
    Monte Carlo
    20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -41,744 to 42,223 votes.
  • 03
    Money, FEC candidate totals through June 30
    Adair $135,365 cash on hand; Bynum $2,715,860.
  • 04
    Call program for this list
    8,239 households, 24,716 dials, about 1,295 live conversations: an estimated $3,881 at published rates.
For the campaign

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Professional live callers on exactly these voters: persuasion, voter ID and ballot chase, with a live dashboard of every conversation. An estimated $3,881 for the full list. Days to launch.

For donors, PACs and committees

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The full plan, the map and the live odds simulator ›All Oregon races ranked ›

Independent analysis by The Political Group from official Oregon 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.