Ed Markey, 2026 Massachusetts Senate Democratic candidate
Ed Markey
DEMOCRATIC
US Senate (D-MA)
2013 – Present

2026 Massachusetts Senate Polls

John Deaton, 2026 Massachusetts Senate Republican candidate
John Deaton
REPUBLICAN
Trial Attorney

2026 Massachusetts Senate Polling Average:

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
53.6% D / 30.9% R
Polling average margin
D +22.7
Last updated
12:00 AM on October 31, 2026
Polls included
14
Latest poll
University of New Hampshire — October 31, 2026

Massachusetts Senate Polling Trend

2026 Massachusetts Senate Polling Average

Ed Markey leads John Deaton by 22.7% in the Pollsmax polling average for the 2026 Massachusetts Senate election, 53.6% to 30.9%. The average currently aggregates results from 14 polls. According to the latest Massachusetts Senate poll, conducted by University of New Hampshire on October 31, Markey leads Deaton 53% to 32%.

Democrat

—%

Weighted polling average

Republican

—%

Weighted polling average

Net margin

—

Polling average difference

Polls Included

—

Number of polls conducted

Latest Massachusetts Senate Polls

Pollster
Date
Sample
Ed Markey*
John Deaton
Margin
Polling Average
—
—
53.6%
30.9%
D +22.7
University of New Hampshire
October 31, 2026
905 LV
53%
32%
D +21.0
Suffolk University
October 18, 2026
500 LV
60%
32%
D +28.0
University of Massachusetts Amherst / YouGov
October 12, 2026
800 RV
54%
28%
D +26.0
MassINC Polling Group
September 22, 2026
800 LV
54%
28%
D +26.0
University of New Hampshire
September 21, 2026
564 LV
53%
30%
D +23.0
University of New Hampshire
August 24, 2026
881 LV
49%
30%
D +19.0
University of Massachusetts Amherst / YouGov
August 12, 2026
800 RV
51%
30%
D +21.0
University of New Hampshire
June 23, 2026
623 LV
50%
34%
D +16.0
Suffolk University
June 12, 2026
500 RV
55%
30%
D +25.0
University of New Hampshire
April 20, 2026
603 LV
55%
32%
D +23.0
University of New Hampshire
February 16, 2026
620 LV
56%
27%
D +29.0
Cygnal (R)
January 25, 2026
800 LV
54%
30%
D +24.0
Suffolk University
November 23, 2025
500 RV
54%
31%
D +23.0
SurveyUSA (D)
March 4, 2025
775 RV
45%
26%
D +19.0

About the Pollsmax Polling Average

Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.