Don't know 20% · Would not vote 3% · Someone else 3% · Charles D. Baker 40% · Ed Markey 34%
- Field dates
- Oct 29–Nov 1, 2024
- Sample
- 582 LV
- Sponsor / client
- Not reported in archive
- Partisan sponsorship
- No partisan sponsorship flag
Pollster file
MassINC Polling Group
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
- 14
- Mean absolute error
- 2.65percentage points
- Historical bias
- R+1.18
- Represented cycles
- 72010–2020
- Current archive
- 1canonical records
- History span
- Oct 14, 2010through Oct 27, 2020
Identity
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2010 · 2012 · 2013 · 2014 · 2016 · 2018 · 2020
14 eligible historical polls across 7 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.
1 shown · 1 total
Certified-result history
Eligible historical observations
14 shown · 14 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2020 | 2020_Sen-G_MA | Sen-G | 2020-10-27 | 929 | D+31.0 | D+33.2 | R+2.2 |
| 2020 | 2020_Pres-G_MA | Pres-G | 2020-10-27 | 929 | D+34.0 | D+33.6 | D+0.4 |
| 2018 | 2018_Sen-G_MA | Sen-G | 2018-10-27 | 502 | D+22.0 | D+24.2 | R+2.2 |
| 2018 | 2018_Gov-G_MA | Gov-G | 2018-10-27 | 502 | R+43.0 | R+33.6 | R+9.4 |
| 2016 | 2016_Sen-G_NH | Sen-G | 2016-10-31 | 500 | R+6.0 | D+0.1 | R+6.1 |
| 2016 | 2016_Pres-G_NH | Pres-G | 2016-10-31 | 500 | R+1.5 | D+0.4 | R+1.9 |
| 2016 | 2016_Gov-G_NH | Gov-G | 2016-10-31 | 500 | R+5.0 | R+2.3 | R+2.7 |
| 2014 | 2014_Sen-G_MA | Sen-G | 2014-10-24 | 494 | D+25.0 | D+23.9 | D+1.1 |
| 2014 | 2014_Gov-G_MA | Gov-G | 2014-10-24 | 494 | R+1.0 | R+1.9 | D+0.9 |
| 2014 | 2014_Gov-G_MA | Gov-G | 2014-10-17 | 501 | R+1.0 | R+1.9 | D+0.9 |
| 2013 | 2013_Sen-GS_MA | Sen-G | 2013-06-08 | 500 | D+7.0 | D+10.2 | R+3.2 |
| 2012 | 2012_Sen-G_MA | Sen-G | 2012-10-22 | 516 | D+6.0 | D+7.5 | R+1.6 |
| 2012 | 2012_Pres-G_MA | Pres-G | 2012-10-22 | 516 | D+20.0 | D+23.2 | R+3.2 |
| 2010 | 2010_House-G_MA-10 | House-G | 2010-10-14 | 400 | D+3.0 | D+4.5 | R+1.5 |
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.