2026 Massachusetts US Senate Democratic Primary Polling

Name: 2026 Massachusetts US Senate Democratic Primary Polling
Creator: Decision Desk HQ
License: https://votes-docs.decisiondeskhq.com/terms-of-service

If the Democratic Primary for Massachusetts US Senate were being held today, who would Democrats vote for?

Candidate	Average	1W	1M
Edward Markey	59.90%	–	+13.5%
Seth Moulton	29.50%	–	+0.2%
Markey +30.4%
Aug 31, 9:09 AM EDTMarkey +30.4%

Published Polls

Pollster / Sponsor	Date	Sample Size	Result
Emerson College	Aug 28 – 29	550 LV	Markey +27.60%
Meridian Research	Oct 1 – 3	600 LV	Team B +2.0%
Vantage Analytics	Oct 2 – 4	637 RV	Team B +2.0%
Northgate Insights	Oct 3 – 5	674 A	Team B +2.0%
Cardinal Strategies	Oct 4 – 6	711 LV	Team A +4.0%
Beacon Public Opinion	Oct 5 – 7	748 RV	Team A +4.0%
Harborview Data	Oct 6 – 8	785 A	Team A +4.0%
Summit Polling	Oct 7 – 9	822 LV	Team A +4.0%
Ridgeline Surveys	Oct 8 – 10	859 RV	Team B +3.0%
Meridian Research	Oct 9 – 11	896 A	Team B +3.0%
Vantage Analytics	Oct 10 – 12	933 LV	Team A +3.0%
Northgate Insights	Oct 11 – 13	970 RV	Team A +3.0%
Cardinal Strategies	Oct 12 – 14	1,007 A	Team A +3.0%
Beacon Public Opinion	Oct 13 – 15	1,044 LV	Team A +3.0%
Harborview Data	Oct 14 – 16	1,081 RV	Team A +3.0%
Summit Polling	Oct 15 – 17	1,118 A	Team B +4.0%
Ridgeline Surveys	Oct 16 – 18	1,155 LV	Team A +2.0%
Meridian Research	Oct 17 – 19	1,192 RV	Team A +2.0%
Vantage Analytics	Oct 18 – 20	1,229 A	Team A +2.0%
Northgate Insights	Oct 19 – 21	1,266 LV	Team A +2.0%

Other 2026 US Senate Primary Ballot Polling Averages

Alabama (GOP)Georgia (GOP Runoff)Illinois (DEM)Kentucky (GOP)Louisiana (GOP)Michigan (DEM)Minnesota (DEM)New Hampshire (GOP)Texas (DEM)Texas (GOP)Texas (GOP Runoff)

2026 Massachusetts US Senate Democratic Primary Polling

Published Polls

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2026 Massachusetts US Senate Democratic Primary Polling

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Published Polls

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