PolitiKool
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Sunday, October 11, 2026

Massachusetts Senate polls

Markey (D) vs. Deaton (R)

Ed Markey leads the 2026 Massachusetts Senate race by 23.4 points in PolitiKool's polling average, as of Oct. 11, 2026.

  • Markey 51.5%, Deaton 28.1%.
  • 5 polls from 3 pollsters, weighted by recency, sample size, pollster record and partisan sponsorship.
  • The margin has moved 2.4 points toward Ed Markey over the past month.
  • Rated Safe D, combining the average with the Cook Political Report, Sabato's Crystal Ball and Inside Elections.
  • The seat is held by Ed Markey (D).

Massachusetts Senate polling average

Ed Markey51.5%
John Deaton28.1%
MarginMarkey +23.4
Average as of Oct. 11, 2026 · — Ed Markey · — John Deaton
Race ratingsCook Solid DIE Solid DSabato Safe D

Latest Massachusetts Senate polls

DatesPollsterSampleMarkeyDeatonMargin
Sept. 14–22 MassINC Polling Group / CommonWealth Beacon 800 LV 52% 26% Markey +26
Sept. 17–21 University of New Hampshire 564 LV 53% 30% Markey +23
Aug. 20–24 University of New Hampshire 881 LV 49% 30% Markey +19
Aug. 5–12 University of Massachusetts Department of Political Science/YouGov / WCVB-TV 800 RV 51% 30% Markey +21
June 18–23 University of New Hampshire 623 LV 50% 34% Markey +16
June 8–12 Suffolk University / The Boston Globe 500 RV 55% 30% Markey +25
April 16–20 University of New Hampshire 603 LV 55% 32% Markey +23
Feb. 12–16 University of New Hampshire 616 LV 56% 27% Markey +29
Jan. 22–25 Cygnal (partisan) 800 LV 54% 30% Markey +24
Nov. 19–23 Suffolk University / Boston Globe 500 RV 54% 31% Markey +23
Feb. 28 – March 4 SurveyUSA / MA Responsible Alliance 775 RV 45% 26% Markey +19