Tavern Research poll
Fielded 6/5/2026 – 6/5/2026 · 704 respondents · Likely voters
Result
Share of respondents (remainder shown as undecided / other)
Graham Platner (D)
68%
Janet Mills (D)
16%
David Costello (D)
5%
Andrea LaFlamme (D)
2%
About this poll
- Pollster
- Tavern Research
- Field dates
- Friday, June 5, 2026 – Friday, June 5, 2026
- Sample
- 704 · Likely voters
- Sponsors
- —
- Internal poll
- No
- Published
- Monday, June 8, 2026
- Source
- www.tavernresearch.com (opens in a new tab)
- Data feed
- The New York Times (via PollResults.org)
- Last updated