Massachusetts Senate race 2026
Our 21-day average puts Ed Markey at 58%, John Deaton at 30.5%, Seth Moulton at 37.1%, Joe Tache at 2%, based on 31 polls ending between 11/1/2024 and 10/17/2026. Dots on the chart are individual polls; the line is the rolling average. How to read these numbers.
Massachusetts Senate race 2026 over time
31 polls · 21-day rolling average · dots are individual polls
Ed Markey 58%
John Deaton 30.5%
Seth Moulton 37.1%
Joe Tache 2%
View data as table
| Choice | Latest average | Polls | Latest poll |
|---|---|---|---|
| Ed Markey | 58% | 23 | 10/17/2026 |
| John Deaton | 30.5% | 20 | 10/17/2026 |
| Seth Moulton | 37.1% | 15 | 8/29/2026 |
| Joe Tache | 2% | 6 | 10/17/2026 |
Average result
Unweighted mean across 31 matching polls
View data as table
| Choice | % |
|---|---|
| Ed Markey | 49.6% |
| John Deaton | 28.5% |
| Seth Moulton | 40.5% |
| Joe Tache | 6.3% |
| Shriya Ayyadurai | 3% |
| Alex Rikleen | 2.9% |
| Charles D. Baker | 36.5% |
| Ayanna Pressley | 30.7% |
Individual polls (31)
| End date | Pollster | Sample | Results |
|---|---|---|---|
| 10/17/2026 |
Suffolk University
for The Boston Globe |
500 LV |
Ed Markey (D)
John Deaton (R)
Joe Tache (O)
Shriya Ayyadurai
|
| 10/12/2026 |
University of Massachusetts Department of Political Science/YouGov
for WCVB-TV |
800 RV |
Ed Markey (D)
John Deaton (R)
Joe Tache (O)
Shriya Ayyadurai
|
| 9/22/2026 |
MassINC Polling Group
for CommonWealth Beacon |
800 LV |
Ed Markey (D)
John Deaton (R)
Joe Tache (O)
Shriya Ayyadurai
|
| 9/21/2026 | University of New Hampshire | 564 LV |
Ed Markey (D)
John Deaton (R)
Joe Tache (O)
|
| 8/29/2026 | Emerson College | 550 LV |
Ed Markey (D)
Seth Moulton (D)
|
| 8/24/2026 | University of New Hampshire | 881 LV |
Ed Markey (D)
John Deaton (R)
Joe Tache (O)
|
| 8/24/2026 | University of New Hampshire | 881 LV |
Seth Moulton (D)
John Deaton (R)
Joe Tache (O)
|
| 8/18/2026 |
Public Policy Polling
for The Majority Institute |
645 LV |
Ed Markey (D)
Seth Moulton (D)
|
| 8/16/2026 |
Suffolk University
for Boston Globe |
500 LV |
Ed Markey (D)
Seth Moulton (D)
|
| 8/12/2026 |
University of Massachusetts Department of Political Science/YouGov
for WCVB-TV |
800 RV |
Ed Markey (D)
John Deaton (R)
|
| 8/12/2026 |
University of Massachusetts Department of Political Science/YouGov
for WCVB-TV |
800 RV |
Seth Moulton (D)
John Deaton (R)
|
| 6/23/2026 | University of New Hampshire | 623 LV |
Ed Markey (D)
John Deaton (R)
|
| 6/23/2026 | University of New Hampshire | 623 LV |
Seth Moulton (D)
John Deaton (R)
|
| 6/12/2026 |
Suffolk University
for The Boston Globe |
500 RV |
Ed Markey (D)
John Deaton (R)
|
| 6/12/2026 |
Suffolk University
for The Boston Globe |
500 RV |
Seth Moulton (D)
John Deaton (R)
|
| 5/4/2026 | Emerson College | 451 LV |
Ed Markey (D)
Seth Moulton (D)
William Gates (D)
Alex Rikleen (D)
|
| 4/20/2026 | University of New Hampshire | 600 LV |
Seth Moulton (D)
John Deaton (R)
|
| 4/20/2026 | University of New Hampshire | 603 LV |
Ed Markey (D)
John Deaton (R)
|
| 4/13/2026 |
Suffolk University
for Boston Globe |
500 LV |
Ed Markey (D)
Seth Moulton (D)
Generic Democrat (D)
|
| 2/16/2026 | University of New Hampshire | 616 LV |
Ed Markey (D)
John Deaton (R)
|
| 2/16/2026 | University of New Hampshire | 611 LV |
Seth Moulton (D)
John Deaton (R)
|
| 1/25/2026 | Cygnal Political | 800 LV |
Ed Markey (D)
John Deaton (R)
|
| 11/23/2025 |
Suffolk University
for Boston Globe |
500 RV |
Ed Markey (D)
John Deaton (R)
|
| 11/23/2025 |
Suffolk University
for Boston Globe |
500 RV |
Seth Moulton (D)
John Deaton (R)
|
| 11/17/2025 | University of New Hampshire | 341 LV |
Ed Markey (D)
Seth Moulton (D)
Alex Rikleen (D)
William Gates (D)
|