University of Massachusetts Department of Political Science/YouGov poll
Fielded 10/5/2026 – 10/12/2026 · 800 respondents · Registered voters
Result
Share of respondents (remainder shown as undecided / other)
Ed Markey (D)
56%
John Deaton (R)
29%
Joe Tache (O)
3%
Shriya Ayyadurai
6%
About this poll
- Pollster
- University of Massachusetts Department of Political Science/YouGov
- Field dates
- Monday, October 5, 2026 – Monday, October 12, 2026
- Sample
- 800 · Registered voters
- Sponsors
- WCVB-TV
- Internal poll
- No
- Published
- Tuesday, October 20, 2026
- Source
- www.umass.edu (opens in a new tab)
- Data feed
- VoteHub
- Last updated