Democrat
—%
Weighted polling average
Ed Markey
DEMOCRATIC
US Senate (D-MA)
2013 – Present
Massachusetts 2026 SENATE POLLS
John Deaton
REPUBLICAN
Trial Attorney
2026 Massachusetts Senate Polls:
Aggregate of all polls released for Massachusetts' Senate election between Democrat Ed Markey and Republican John Deaton. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
- Year
- 2026
- Race
- Senate
- State
- Massachusetts
- Democratic candidate
- Ed Markey
- Republican candidate
- John Deaton
- Incumbent / open seat
- Ed Markey
- Polling average
- 54.1% D / 31.0% R
- Polling average margin
- D +23.1
- Last updated
- 12:00 AM on August 16, 2026
- Polls included
- 7
- Latest poll
- University of New Hampshire — June 23, 2026
Republican
—%
Weighted polling average
Net margin
—
Polling average difference
Polls Included
—
Number of polls conducted
Pollster
Date
Sample
Ed Markey*
John Deaton
Margin
Polling Average
—
—
54.1%
31.0%
University of New Hampshire
June 23, 2026
623 LV
50%
34%
Suffolk University
June 12, 2026
500 RV
55%
30%
University of New Hampshire
April 20, 2026
603 LV
55%
32%
University of New Hampshire
February 16, 2026
620 LV
56%
27%
Cygnal (R)
January 25, 2026
800 LV
54%
30%
SurveyUSA (D)
March 4, 2025
775 RV
45%
26%
Suffolk University
November 23, 2025
500 RV
54%
31%