Senate
Cooper +5North Carolina · Senate
Roy Cooper 47% · Michael Whatley 42%
- Field dates
- Jan 5–Jan 7, 2026
- Sample
- 1,105 LV
- Sponsor / client
- Not reported in archive
- Partisan sponsorship
- Democratic-sponsored
Pollster file
Change Research
Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.
- Historical polls
- 101
- Mean absolute error
- 5.74percentage points
- Historical bias
- D+3.07
- Represented cycles
- 32017–2020
- Current archive
- 74canonical records
- History span
- May 22, 2017through Nov 1, 2020
Identity
Known names and relationships
- Known aliases
- Change Research (D)
- Organization type
- Single canonical organization
- Cycles represented
- 2017 · 2018 · 2020
101 eligible historical polls across 3 represented cycles passed the published history identity checks. Historical bias is descriptive and is kept separate from sponsor or client affiliation.
Canonical 2025–2026 archive
Current-cycle records
Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.
2 shown · 74 total
Senate
Cooper +7North Carolina · Senate
Roy Cooper 48% · Michael Whatley 41%
- Field dates
- Sep 2–Sep 8, 2025
- Sample
- 855 LV
- Sponsor / client
- Carolina Forward
- Partisan sponsorship
- Democratic-sponsored
Certified-result history
Eligible historical observations
1 shown · 101 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2017 | 2017_House-GS_MT-1 | House-G | 2017-05-22 | 1,888 | R+5.0 | R+5.6 | D+0.6 |
Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5
Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.
A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.
Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.