Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

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Massachusetts › Governor · November 3, 2026 · Updated Oct 16, 2026

Massachusetts Governor

Healey is very likely to win: Healey wins in more than 99 of every 100 simulations.

Healey (D)
>99%
chance of winning
Minogue (R)
<1%
Average margin
D+25.1
80% of outcomes
D+16 to D+34
Partisan lean
D+28
Polls
11in our database

Healey is very likely to win: Healey wins in more than 99 of every 100 simulations.

Healey (D)
>99%
chance of winning
Minogue (R)
<1%
Average margin
D+27.5
80% of outcomes
D+16 to D+39
Partisan lean
D+28
Polls
11in our database

Range of outcomes

D+25.1R+40R+20EvenD+20D+40
D+27.5R+40R+20EvenD+20D+40

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Healey >99%Minogue <1%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

0%25%50%75%100%AugSepOctNovNov 3Healey >99%Minogue <1%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

The candidates

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast
Massachusetts state offices
+0.0Polls for governor, statewide and legislative races, without this race · details
Environment here
D+9.5Used by the fundamentals
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by the national and state moodD+36.9Fundamentals modelAdds incumbency, past results, money andexperienceD+30.7Polls in similar placesPolling of similar races in Massachusetts andlook-alike placesD+33.5Polling average10 polls, latest Sep 22D+23.6Horizon forecastPolls + fundamentals, projected to Election DayD+25.1Pulse forecastPolls (and polling of similar places) only, todayD+27.5

Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.

Fundamentals inputs
Incumbency (+1 D, −1 R)1
Fundraising edge (log ratio of individual money)0
Elected-experience edge1
First-term incumbent1
Seat's last result vs. expectation3.35
Incumbent's last result vs. expectation3.35

Polls

R+20EvenD+20Avg. D+23.6Oct 29Nov 3
All 11 polls
PollsterDatesSampleHealeyMinogueMarginAdjusted
MassINC Polling GroupSep 14–Sep 22800 LV5130D+21D+25.3
MassINC Polling GroupSep 14–Sep 22800 LV5432D+22D+25.3
University of New HampshireSep 17–Sep 21564 LV5438D+16D+17.7
University of New HampshireAug 20–Aug 24881 LV5430D+24D+29.9
UMass Amherst/YouGov for WCVBAug 5–Aug 12800 RV5333D+20D+23.8
University of New HampshireJun 18–Jun 23623 LV5132D+19D+24.4
Suffolk University for The Boston GlobeJun 8–Jun 12500 LV5631D+25D+28.2
Polity Research Consulting for the Retailers Association of MassachusettsApr 19–May 7608 RV5831D+27
University of New HampshireApr 16–Apr 20599 LV5232D+20
University of New HampshireFeb 12–Feb 16620 LV5627D+29
UMass Amherst/YouGov for WCVBOct 21–Oct 29800 A5126D+25

Adjusted: after correcting for the pollster's house effect, registered vs. likely voters, and movement in the national environment since the poll; shown for the polls carrying the most weight in today's average. Larger dots in the chart carry the most weight. Last poll: Sep 22, 2026.

The state

Lean D+28: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+29.3D+27.1 vs. nation2020 presidentD+34.2D+29.7 vs. nation2024 presidentD+25.9D+27.4 vs. nation

Who lives here

Population
7,044,056
Adults with a B.A.+
47%
White, no degree
35%of adults
  • White 67%
  • Hispanic 13%
  • Black 6%
  • Asian 7%
  • Other / multiracial 7%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

2024 President Vote in this state

3,377,821 two-party votes · D+25.9 · D+27.4 vs. the nation
✓ Kamala Harris (D)63.0%
Donald Trump (R)37.0%

2022

2,485,796 votes · D+29.7
✓ Healey (D)63.7%
Diehl (R)34.6%
Reed (L)1.6%

2020 President Vote in this state

3,549,404 two-party votes · D+34.2 · D+29.7 vs. the nation
✓ Joe Biden (D)67.1%
Donald Trump (R)32.9%

2018

2,667,111 votes · R+33.6
✓ Baker And Polito (R)66.8%
Gonzalez And Palfrey (D)33.2%

2016 President Vote in this state

3,086,089 two-party votes · D+29.3 · D+27.1 vs. the nation
✓ Hillary Clinton (D)64.7%
Donald Trump (R)35.3%

2014

2,156,468 votes · R+2.0
✓ Charlie Baker (R)48.4%
Martha Coakley (D)46.6%
Evan Falchuk (I)3.3%
Scott Lively (I)0.9%
Jeff McCormick (I)0.8%

2010

2,294,439 votes · D+7.1
✓ Deval Patrick (D)48.5%
Charlie Baker (R)42.1%
Tim Cahill (I)8.0%
Jill Stein (G)1.4%

2006

2,217,147 votes · D+22.3
✓ Deval Patrick (D)55.7%
Kerry Healey (R)35.4%
Christy Mihos (I)7.0%
Grace Ross (G)1.9%

2002

2,192,878 votes · R+5.1
✓ Mitt Romney (R)49.8%
Shannon O'Brien (D)45.0%
Jill Stein (G)3.5%
Carla Howell (L)1.1%
Barbara Johnson (I)0.7%

Also on the ballot in Massachusetts