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
35 shown · 85 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2014 | 2014_Sen-G_IA | Sen-G | 2014-10-20 | 423 | R+1.0 | R+8.3 | D+7.3 |
| 2014 | 2014_Gov-G_IA | Gov-G | 2014-10-20 | 423 | R+21.0 | R+21.7 | D+0.7 |
| 2014 | 2014_Sen-G_CO | Sen-G | 2014-10-19 | 431 | R+1.0 | R+1.9 | D+0.9 |
| 2014 | 2014_Gov-G_CO | Gov-G | 2014-10-19 | 431 | D+7.0 | D+3.3 | D+3.7 |
| 2014 | 2014_Gov-G_KS | Gov-G | 2014-10-18 | 429 | D+5.0 | R+3.7 | D+8.7 |
| 2013 | 2013_Gov-G_NJ | Gov-G | 2013-11-01 | 1,436 | R+20.0 | R+22.1 | D+2.1 |
| 2013 | 2013_Sen-GS_NJ | Sen-G | 2013-10-11 | 1,393 | D+10.0 | D+10.9 | R+0.9 |
| 2013 | 2013_Sen-GS_NJ | Sen-G | 2013-09-28 | 571 | D+13.0 | D+10.9 | D+2.1 |
| 2012 | 2012_Pres-G_US | Pres-G | 2012-11-03 | 1,417 | 0 | D+3.9 | R+3.9 |
| 2012 | 2012_Pres-G_US | Pres-G | 2012-10-20 | 1,402 | R+3.0 | D+3.9 | R+6.8 |
| 2010 | 2010_Sen-GS_DE | Sen-G | 2010-10-26 | 1,171 | D+10.0 | D+16.6 | R+6.6 |
| 2010 | 2010_House-G_NJ-12 | House-G | 2010-10-26 | 600 | D+8.0 | D+7.2 | D+0.8 |
| 2010 | 2010_House-G_DE-1 | House-G | 2010-10-26 | 1,171 | D+7.0 | D+15.7 | R+8.7 |
| 2010 | 2010_House-G_NJ-6 | House-G | 2010-10-24 | 647 | D+7.0 | D+11.0 | R+4.0 |
| 2010 | 2010_House-G_NJ-3 | House-G | 2010-10-24 | 600 | R+5.0 | R+2.7 | R+2.3 |
| 2010 | 2010_House-G_PA-6 | House-G | 2010-10-19 | 642 | R+10.0 | R+14.2 | D+4.2 |
| 2010 | 2010_House-G_MD-1 | House-G | 2010-10-18 | 637 | R+11.0 | R+12.1 | D+1.1 |
| 2010 | 2010_House-G_NY-19 | House-G | 2010-10-17 | 636 | D+1.0 | R+5.4 | D+6.4 |
| 2010 | 2010_House-G_PA-8 | House-G | 2010-10-12 | 646 | R+5.0 | R+7.0 | D+2.0 |
| 2009 | 2009_Gov-G_NJ | Gov-G | 2009-11-01 | 722 | D+2.0 | R+3.6 | D+5.6 |
| 2009 | 2009_Gov-G_NJ | Gov-G | 2009-10-29 | 1,041 | R+1.0 | R+3.6 | D+2.6 |
| 2009 | 2009_Gov-G_NJ | Gov-G | 2009-10-17 | 1,005 | 0 | R+3.6 | D+3.6 |
| 2008 | 2008_Sen-G_NJ | Sen-G | 2008-10-30 | 801 | D+19.0 | D+14.1 | D+4.9 |
| 2008 | 2008_Pres-G_NJ | Pres-G | 2008-10-30 | 801 | D+21.0 | D+15.6 | D+5.4 |
| 2008 | 2008_Sen-G_NJ | Sen-G | 2008-10-17 | 723 | D+16.0 | D+14.1 | D+1.9 |
| 2008 | 2008_Pres-G_NJ | Pres-G | 2008-10-17 | 723 | D+17.0 | D+15.6 | D+1.4 |
| 2006 | 2006_Sen-G_NJ | Sen-G | 2006-11-02 | 1,086 | D+3.0 | D+16.0 | R+13.0 |
| 2006 | 2006_Sen-G_NJ | Sen-G | 2006-10-18 | 396 | D+9.0 | D+16.0 | R+7.0 |
| 2005 | 2005_Gov-G_NJ | Gov-G | 2005-11-03 | 728 | D+9.0 | D+10.4 | R+1.4 |
| 2002 | 2002_Sen-G_NJ | Sen-G | 2002-11-01 | 611 | D+5.0 | D+9.9 | R+4.9 |
| 2001 | 2001_Gov-G_NJ | Gov-G | 2001-11-02 | 649 | D+22.0 | D+14.8 | D+7.2 |
| 2000 | 2000_Sen-G_NJ | Sen-G | 2000-11-03 | 843 | D+5.0 | D+3.0 | D+2.0 |
| 2000 | 2000_Pres-G_NJ | Pres-G | 2000-11-03 | 843 | D+13.0 | D+15.8 | R+2.8 |
| 2000 | 2000_Sen-G_NJ | Sen-G | 2000-10-27 | 575 | D+4.0 | D+3.0 | D+1.0 |
| 2000 | 2000_Pres-G_NJ | Pres-G | 2000-10-27 | 575 | D+5.0 | D+15.8 | R+10.8 |
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.