Colby College
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
- 6
- Mean absolute error
- 8.31percentage points
- Historical bias
- D+2.65
- Represented cycles
- 12020
- Current archive
- 0canonical records
- History span
- Oct 23, 2020through Oct 23, 2020
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2020
6 eligible historical polls is a limited denominator; both MAE and bias may move materially as another cycle is added.
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
6 shown · 6 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2020 | 2020_Sen-G_ME | Sen-G | 2020-10-23 | 879 | D+3.2 | R+8.6 | D+11.8 |
| 2020 | 2020_Pres-G_ME | Pres-G | 2020-10-23 | 879 | D+13.0 | D+9.1 | D+3.9 |
| 2020 | 2020_Pres-G_M2 | Pres-G | 2020-10-23 | 453 | D+4.0 | R+7.4 | D+11.4 |
| 2020 | 2020_Pres-G_M1 | Pres-G | 2020-10-23 | 426 | D+22.0 | D+23.1 | R+1.1 |
| 2020 | 2020_House-G_ME-2 | House-G | 2020-10-23 | 449 | D+25.0 | D+6.1 | D+18.9 |
| 2020 | 2020_House-G_ME-1 | House-G | 2020-10-23 | 426 | D+27.0 | D+24.3 | D+2.7 |
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.