general
Poll: Two Democrats lead Susan Collins in early Maine Senate matchups
An Emerson College Poll of 1,075 likely Maine voters finds Graham Platner at 48% and Janet Mills at 46% against incumbent Susan Collins, offering an early snapshot of a competitive 2026 Senate race with a margin of error of ±2.9%.
Mar 26th 2026 · United States
Insights
- Emerson surveyed 1,075 likely Maine voters March 21-23 with a margin of error of ±2.9 percentage points.
- Graham Platner leads Susan Collins 48% to 41% in a head-to-head matchup, with roughly 12% supporting another candidate or undecided.
- Janet Mills leads Susan Collins 46% to 43% in a separate head-to-head matchup, with about 11% supporting another candidate or undecided.
- In a Democratic primary test Platner leads Mills 55% to 28% with 13% undecided, a lead outside the poll's margin of error.
- Majorities view Collins and Mills unfavorably while Platner's favorability is mixed, and independent voters give Collins a roughly 30-point net unfavorable rating.