Monmouth University
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
- 85
- Mean absolute error
- 5.07percentage points
- Historical bias
- D+2.45
- Represented cycles
- 162000–2021
- Current archive
- 0canonical records
- History span
- Oct 27, 2000through Oct 23, 2021
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2000 · 2001 · 2002 · 2005 · 2006 · 2008 · 2009 · 2010 · 2012 · 2013 · 2014 · 2016 · 2017 · 2018 · 2020 · 2021
85 eligible historical polls across 16 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
50 shown · 85 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2021 | 2021_Gov-G_NJ | Gov-G | 2021-10-23 | 1,000 | D+11.0 | D+3.2 | D+7.8 |
| 2021 | 2021_Gov-G_VA | Gov-G | 2021-10-18 | 1,005 | 0 | R+1.9 | D+1.9 |
| 2020 | 2020_Pres-G_PA | Pres-G | 2020-10-30 | 502 | D+6.0 | D+1.2 | D+4.8 |
| 2020 | 2020_Pres-G_FL | Pres-G | 2020-10-26 | 509 | D+5.0 | R+3.4 | D+8.4 |
| 2020 | 2020_Sen-OS_GA | Sen-G | 2020-10-25 | 504 | D+19.5 | D+7.0 | D+12.5 |
| 2020 | 2020_Sen-G_GA | Sen-G | 2020-10-25 | 504 | D+1.5 | R+1.8 | D+3.3 |
| 2020 | 2020_Pres-G_GA | Pres-G | 2020-10-25 | 504 | D+3.0 | D+0.2 | D+2.8 |
| 2020 | 2020_House-G_IA-4 | House-G | 2020-10-18 | 414 | R+4.0 | R+24.2 | D+20.2 |
| 2020 | 2020_House-G_IA-3 | House-G | 2020-10-18 | 426 | D+12.5 | D+1.4 | D+11.1 |
| 2020 | 2020_House-G_IA-2 | House-G | 2020-10-18 | 355 | D+11.0 | 0 | D+11.0 |
| 2020 | 2020_House-G_IA-1 | House-G | 2020-10-18 | 352 | D+12.0 | R+2.6 | D+14.6 |
| 2020 | 2020_Sen-G_IA | Sen-G | 2020-10-17 | 501 | D+4.0 | R+6.6 | D+10.6 |
| 2020 | 2020_Pres-G_IA | Pres-G | 2020-10-17 | 501 | D+4.0 | R+8.2 | D+12.2 |
| 2018 | 2018_House-G_NJ-7 | House-G | 2018-10-27 | 356 | D+2.7 | D+5.0 | R+2.4 |
| 2018 | 2018_House-G_NY-19 | House-G | 2018-10-26 | 372 | D+5.0 | D+5.2 | R+0.2 |
| 2018 | 2018_House-G_NJ-3 | House-G | 2018-10-20 | 363 | D+3.7 | D+1.3 | D+2.4 |
| 2018 | 2018_House-G_CA-48 | House-G | 2018-10-19 | 372 | R+2.0 | D+7.1 | R+9.1 |
| 2018 | 2018_House-GS_OH-12 | House-G | 2018-07-29 | 396.667 | R+1.7 | R+0.8 | R+0.9 |
| 2018 | 2018_House-GS_PA-18 | House-G | 2018-03-10 | 379.333 | D+5.0 | D+0.3 | D+4.7 |
| 2017 | 2017_Sen-GS_AL | Sen-G | 2017-12-08 | 546 | R+0.3 | D+1.6 | R+1.9 |
| 2017 | 2017_Gov-G_VA | Gov-G | 2017-11-04 | 713 | D+2.0 | D+8.9 | R+6.9 |
| 2017 | 2017_Gov-G_NJ | Gov-G | 2017-10-29 | 529 | D+14.0 | D+14.1 | R+0.1 |
| 2016 | 2016_Pres-G_US | Pres-G | 2016-11-05 | 748 | D+6.0 | D+2.1 | D+3.9 |
| 2016 | 2016_Sen-G_UT | Sen-G | 2016-11-01 | 402 | R+33.0 | R+41.1 | D+8.1 |
| 2016 | 2016_Pres-G_UT | Pres-G | 2016-11-01 | 402 | R+6.0 | R+18.1 | D+12.1 |
| 2016 | 2016_Gov-G_UT | Gov-G | 2016-11-01 | 402 | R+33.0 | R+38.0 | D+5.0 |
| 2016 | 2016_Sen-G_PA | Sen-G | 2016-10-31 | 403 | D+3.0 | R+1.4 | D+4.4 |
| 2016 | 2016_Pres-G_PA | Pres-G | 2016-10-31 | 403 | D+4.0 | R+0.7 | D+4.7 |
| 2016 | 2016_Sen-G_MO | Sen-G | 2016-10-30 | 405 | R+1.0 | R+2.8 | D+1.8 |
| 2016 | 2016_Pres-G_MO | Pres-G | 2016-10-30 | 405 | R+14.0 | R+18.6 | D+4.6 |
| 2016 | 2016_Gov-G_MO | Gov-G | 2016-10-30 | 405 | 0 | R+5.6 | D+5.6 |
| 2016 | 2016_Sen-G_IN | Sen-G | 2016-10-29 | 402 | 0 | R+9.7 | D+9.7 |
| 2016 | 2016_Pres-G_IN | Pres-G | 2016-10-29 | 402 | R+11.0 | R+19.2 | D+8.2 |
| 2016 | 2016_Gov-G_IN | Gov-G | 2016-10-29 | 402 | D+6.0 | R+6.0 | D+11.9 |
| 2016 | 2016_Sen-G_NH | Sen-G | 2016-10-24 | 401 | 0 | D+0.1 | R+0.1 |
| 2016 | 2016_Pres-G_NH | Pres-G | 2016-10-24 | 401 | D+4.0 | D+0.4 | D+3.6 |
| 2016 | 2016_Gov-G_NH | Gov-G | 2016-10-24 | 401 | D+5.0 | R+2.3 | D+7.3 |
| 2016 | 2016_Sen-G_AZ | Sen-G | 2016-10-23 | 401 | R+10.0 | R+13.0 | D+3.0 |
| 2016 | 2016_Pres-G_AZ | Pres-G | 2016-10-23 | 401 | R+1.0 | R+3.5 | D+2.5 |
| 2016 | 2016_Sen-G_NC | Sen-G | 2016-10-22 | 402 | R+6.0 | R+5.7 | R+0.3 |
| 2016 | 2016_Pres-G_NC | Pres-G | 2016-10-22 | 402 | D+1.0 | R+3.7 | D+4.7 |
| 2016 | 2016_Gov-G_NC | Gov-G | 2016-10-22 | 402 | R+1.0 | D+0.2 | R+1.2 |
| 2014 | 2014_Sen-G_NJ | Sen-G | 2014-11-01 | 750 | D+14.0 | D+13.5 | D+0.5 |
| 2014 | 2014_House-G_NJ-5 | House-G | 2014-10-28 | 427 | R+11.0 | R+12.1 | D+1.1 |
| 2014 | 2014_Sen-G_GA | Sen-G | 2014-10-27 | 436 | R+8.0 | R+7.7 | R+0.3 |
| 2014 | 2014_Gov-G_GA | Gov-G | 2014-10-27 | 436 | R+6.0 | R+7.9 | D+1.9 |
| 2014 | 2014_Sen-G_SD | Sen-G | 2014-10-26 | 429 | R+11.0 | R+20.9 | D+9.9 |
| 2014 | 2014_House-G_SD-1 | House-G | 2014-10-26 | 429 | R+27.0 | R+33.1 | D+6.1 |
| 2014 | 2014_Gov-G_SD | Gov-G | 2014-10-26 | 429 | R+39.0 | R+45.0 | D+6.0 |
| 2014 | 2014_Sen-G_NC | Sen-G | 2014-10-25 | 432 | D+2.0 | R+1.6 | D+3.6 |
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.