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Forecast6 days out
Race polling · SEN-ME

Maine Senate polls 2026

Troy Jackson (D) vs Susan Collins (R). The polls in the poll average, each with its weight and source, then every public poll on file. The forecast itself lives on the race page.

Poll averageD+2.0the polls’ average, each as published · same figure as the race page
Polls5555 on file · 28 in the poll average · 27 not counted
Latest field dateOct 25Eligible polls: latest poll: 2026-10-25 (3 days old)
EditionOct 28the poll average and its weights as of this edition

The polls and the poll average

drag or tap for a day · tap a dot for its poll

Oct 28, 2026D+2.0today's poll average of 28 polls

R+5EvenD+5D+10Aug ’26SepOct
  • poll in the average · area is its weight
  • trend through the counted polls · ends on today's average

The line is a trend, not the average as it stood each day: the same polls and weights, with each poll leaning in smoothly over the weeks before its date. It starts at the first counted poll and ends on today's average.

Data table
The poll average as the edition published it for each stretch of days, and the trend line drawn over the same days.
DaysAverage as it stoodTrend line
Oct 28, 2026D+2.0D+2.0
Oct 25–Oct 27, 2026D+2.0D+2.0
Oct 23–Oct 24, 2026D+2.1D+2.0
Oct 20–Oct 22, 2026D+1.9D+2.0
Oct 14–Oct 19, 2026D+2.1D+2.0
Oct 11–Oct 13, 2026D+2.0D+2.0
Oct 8–Oct 10, 2026D+2.0D+2.1
Oct 5–Oct 7, 2026D+2.0D+2.1
Oct 4, 2026D+1.9D+2.1
Oct 1–Oct 3, 2026D+1.7D+2.0
Sep 30, 2026D+2.0D+1.9
Sep 29, 2026D+2.4D+1.9
Sep 23–Sep 28, 2026D+2.4D+2.0 to D+1.9
Sep 22, 2026D+2.5D+2.1
Sep 21, 2026D+3.0D+2.2
Sep 15–Sep 20, 2026D+2.9D+2.6 to D+2.3
Sep 14, 2026D+3.3D+2.7
Sep 10–Sep 13, 2026D+3.1D+3.0 to D+2.8
Sep 8–Sep 9, 2026D+3.5D+3.0
Sep 6–Sep 7, 2026D+3.3D+3.1
Aug 28–Sep 5, 2026D+3.4D+3.4 to D+3.1
Aug 10–Aug 27, 2026D+2.6D+2.6 to D+3.4
Aug 1–Aug 9, 2026D+2.8D+2.7 to D+2.6
Jul 20–Jul 31, 2026D+2.3D+2.3 to D+2.7
Jul 8–Jul 19, 2026D+1.8D+1.8 to D+2.3
Jul 7, 2026D+5.0D+1.9

In Senate races the forecast then counts a poll sponsored by a party or campaign at a quarter of its weight and moves its margin 2 points against that party, which puts the average it reads at D+2.2.

Every poll on file · 55

newest added first

28 in the poll average · 27 shown, not counted

PollsterFieldedSampleResultAddedWeightSource
●Marist UniversityGeneral · Senate1,449 LVD+2.0Troy Jackson 49Susan Collins 47+1 other release1d ago0.97Poll release
●Echelon InsightsGeneral413 LVD+7.0Troy Jackson 51Susan Collins 44Don't know 4Someone else 1Would not vote 01d ago0.52Poll release
●Trafalgar GroupGeneral · REP sponsor · REP partisan1,077 LVR+0.5Susan Collins 47Troy Jackson 46.5Don't know 6.54d ago0.84Poll release
●Beacon Research/Shaw & Company ResearchGeneral1,514 LVTiedSusan Collins 49Troy Jackson 49Don't know 1Someone else 1Would not vote 0+1 other release5d ago0.91News coverage
●InsiderAdvantageGeneral1,200 LVD+2.5Troy Jackson 49.3Susan Collins 46.8Don't know 3.90.80Poll release
●The Washington Post/George Mason University Schar School of Policy and GovernmentGeneral800 LVD+4.0Troy Jackson 50Susan Collins 46Don't know 3Would not vote 1Someone else 10.59News coverage
●Marist UniversityGeneral1,505 RVD+4.0Troy Jackson 51Susan Collins 47Don't know 1Someone else 10.76Poll release
●co/efficientGeneral · Senate1,240 LVR+2.0Susan Collins 48Troy Jackson 46+1 other release0.69Poll release
●Fabrizio Ward/Impact ResearchGeneral982 LVD+3.0Troy Jackson 50Susan Collins 47Don't know 3Someone else 10.56Poll release
●The New York Times/Siena CollegeGeneral619 LVR+2.7Susan Collins 48.66Troy Jackson 45.92Don't know 4.91Someone else 0.50.45News coverage
●University of New Hampshire Survey CenterGeneral1,301 LVD+4.0Troy Jackson 51Susan Collins 47Don't know 1Someone else 10.64Poll release
●Quantus InsightsGeneral621 LVR+0.2Susan Collins 47.6Troy Jackson 47.4Don't know 3.5Someone else 1.50.41Poll release

Poll archive as of October 29, 2026. It can hold polls newer than the forecast; a poll listed here is not necessarily in it.

Model rows carry what the source record provides: pollster, field dates, sample size and D/R shares where published. Archive rows come from the broad public harvest. Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.