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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
- 33
- Mean absolute error
- 7.36percentage points
- Historical bias
- R+4.07
- Represented cycles
- 32010–2014
- Current archive
- 0canonical records
- History span
- May 20, 2010through Nov 1, 2014
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2010 · 2013 · 2014
33 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.
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.
0 shown · 0 total
No record in the currently authorized canonical archive is attached to this identity.
This is not evidence that the pollster released no 2026 polling; the source-audit gaps remain documented.
Eligible historical observations
33 shown · 33 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2014 | 2014_Sen-O_LA | Sen-G | 2014-11-01 | 381 | R+12.0 | D+1.1 | R+13.1 |
| 2013 | 2013_House-GS_SC-1 | House-G | 2013-04-30 | 1,807 | D+0.5 | R+8.8 | D+9.3 |
| 2010 | 2010_Sen-G_NH | Sen-G | 2010-10-21 | 744 | R+22.7 | R+23.2 | D+0.5 |
| 2010 | 2010_House-G_NH-2 | House-G | 2010-10-21 | 917 | R+10.0 | R+1.6 | R+8.4 |
| 2010 | 2010_House-G_NH-1 | House-G | 2010-10-21 | 818 | R+6.0 | R+11.6 | D+5.6 |
| 2010 | 2010_Gov-G_NH | Gov-G | 2010-10-21 | 744 | D+6.0 | D+7.6 | R+1.6 |
| 2010 | 2010_Sen-G_NV | Sen-G | 2010-10-20 | 1,884 | R+5.9 | D+5.9 | R+11.8 |
| 2010 | 2010_House-G_NV-3 | House-G | 2010-10-20 | 2,414 | R+9.0 | R+0.7 | R+8.3 |
| 2010 | 2010_Gov-G_NV | Gov-G | 2010-10-20 | 1,884 | R+16.0 | R+11.9 | R+4.0 |
| 2010 | 2010_Sen-G_OH | Sen-G | 2010-10-19 | 2,060 | R+18.3 | R+17.4 | R+0.9 |
| 2010 | 2010_House-G_OH-18 | House-G | 2010-10-19 | 2,291 | R+13.1 | R+13.4 | D+0.3 |
| 2010 | 2010_House-G_OH-16 | House-G | 2010-10-19 | 2,715 | R+14.4 | R+10.8 | R+3.6 |
| 2010 | 2010_House-G_OH-13 | House-G | 2010-10-19 | 1,772 | D+4.9 | D+11.5 | R+6.6 |
| 2010 | 2010_Gov-G_OH | Gov-G | 2010-10-19 | 2,060 | R+3.0 | R+2.0 | R+1.0 |
| 2010 | 2010_House-G_NM-2 | House-G | 2010-10-18 | 600 | R+20.1 | R+10.8 | R+9.3 |
| 2010 | 2010_House-G_NM-1 | House-G | 2010-10-18 | 600 | R+7.5 | D+3.6 | R+11.1 |
| 2010 | 2010_House-G_CO-1 | House-G | 2010-10-18 | 698 | D+7.4 | D+38.7 | R+31.3 |
| 2010 | 2010_Sen-GS_WV | Sen-G | 2010-10-15 | 1,696 | D+3.2 | D+10.1 | R+6.9 |
| 2010 | 2010_House-G_WV-3 | House-G | 2010-10-15 | 1,864 | D+3.6 | D+12.1 | R+8.5 |
| 2010 | 2010_House-G_WV-1 | House-G | 2010-10-15 | 2,033 | R+6.4 | R+0.8 | R+5.6 |
| 2010 | 2010_House-G_NC-8 | House-G | 2010-10-14 | 1,785 | D+2.1 | D+9.4 | R+7.3 |
| 2010 | 2010_House-G_NC-7 | House-G | 2010-10-14 | 2,477 | D+2.8 | D+7.4 | R+4.6 |
| 2010 | 2010_House-G_NC-2 | House-G | 2010-10-14 | 2,218 | R+18.0 | R+0.8 | R+17.2 |
| 2010 | 2010_House-G_NC-11 | House-G | 2010-10-14 | 2,848 | D+0.5 | D+8.7 | R+8.2 |
| 2010 | 2010_Sen-G_OR | Sen-G | 2010-10-13 | 2,237 | D+13.7 | D+18.0 | R+4.3 |
| 2010 | 2010_House-G_OR-5 | House-G | 2010-10-13 | 2,375 | D+3.0 | D+5.3 | R+2.3 |
| 2010 | 2010_House-G_OR-1 | House-G | 2010-10-13 | 2,065 | D+6.4 | D+12.8 | R+6.4 |
| 2010 | 2010_Gov-G_OR | Gov-G | 2010-10-13 | 2,237 | R+3.0 | D+1.5 | R+4.5 |
| 2010 | 2010_House-G_TX-27 | House-G | 2010-10-12 | 1,122 | R+10.0 | R+0.8 | R+9.3 |
| 2010 | 2010_House-G_TX-23 | House-G | 2010-10-12 | 2,215 | R+11.0 | R+5.0 | R+6.0 |
| 2010 | 2010_House-G_TX-17 | House-G | 2010-10-12 | 2,085 | R+11.0 | R+25.2 | D+14.2 |
| 2010 | 2010_Gov-G_TX | Gov-G | 2010-10-12 | 1,510 | R+14.3 | R+12.7 | R+1.6 |
| 2010 | 2010_House-GS_HI-1 | House-G | 2010-05-20 | 1,082 | R+18.1 | R+8.7 | R+9.4 |
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.