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Maine’s U.S. Senate race

Tuesday, November 3, 2026 · general election

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Election day: Tuesday, November 3, 2026
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United States Senate

Maine, statewide23 filed with the FEC$64M raised by the field

Troy Jackson · Susan M. Collins

$26.9M raised$1.6M cash on hand
Compare Troy Jackson
Their first priorities
1. Tax the billionaires and greedy corporations.
2. End the genocide in Gaza. No U.S. tax dollars to Israel’s military.
3. Dismantle and abolish ICE.
In their words
1. Tax the billionaires and greedy corporations.
2. End the genocide in Gaza. No U.S. tax dollars to Israel’s military.
3. Dismantle and abolish ICE.
and 10 more, in the campaign’s own order. Read them in their words
Money
Raised
$26.9M
Spent
$25.3M
Cash on hand
$1.6M
FEC filings through Oct 14, 2026
On the ballot
Won the general election
Nov 3, 2026 · 376,070 votes (53.0%)
Open full recordFEC S6ME00464
$22.5M raised$2.7M cash on hand
Compare Susan M. Collins
Their first priorities
1. DEFENSE & NATIONAL SECURITY
2. EDUCATION
3. ENERGY & THE ENVIRONMENT
In their words
1. DEFENSE & NATIONAL SECURITY
2. EDUCATION
3. ENERGY & THE ENVIRONMENT
and 6 more, in the campaign’s own order. Read them in their words
Money
Raised
$22.5M
Spent
$22.4M
Cash on hand
$2.7M
FEC filings through Oct 14, 2026
On the ballot
Lost the general election
Nov 3, 2026 · 332,803 votes (46.9%) · 2 of 2
In office
Susan M. Collins holds this Senate seat; the current term began January 2021.
Every recorded vote
Open full recordFEC S6ME00159

Held by Angus S. King, Jr. I (not running in the 2026 cycle) and Susan M. Collins R (lost the general election)

Polls

Every public poll of the Maine Senate race this cycle, as published. A poll is a snapshot, not a forecast.

November general election

Election November 3, 2026 · 29 polls of this matchup

Troy Jackson leads Susan Collins by 5.2 points · average gap, 5 latest nonpartisan polls

DTroy Jackson50.9% median
RSusan Collins45% median

Election result and the final polls

Troy Jackson won by 6.1 points. The 12 final polls had a median of Troy Jackson +4.5, understating Troy Jackson's margin by 1.6 points.

Poll	Troy Jackson	Susan Collins	Lead	vs. result
Survey 160ended Nov 1	50%	47%	Troy Jackson +3	−3.1
The New York Times/Siena Universityended Nov 1	50.9%	45%	Troy Jackson +5.9	−0.2
Emerson Collegeended Nov 1 · led with the loser	49.4%	50.6%	Susan Collins +1.2	−7.3
AtlasIntelended Nov 1	53.1%	44%	Troy Jackson +9.1	+3
University of New Hampshireended Oct 31	54%	45%	Troy Jackson +9	+2.9
YouGovended Oct 29	52%	47%	Troy Jackson +5	−1.1
Data for Progressended Oct 27	50%	45%	Troy Jackson +5	−1.1
CNN/SSRSended Oct 26	49%	45%	Troy Jackson +4	−2.1
Marist Universityended Oct 25	49%	47%	Troy Jackson +2	−4.1
Echelon Insightsended Oct 23	51%	44%	Troy Jackson +7	+0.9
Beacon Research/Shaw & Company Researchended Oct 20 · led with the loser	49%	49%	Tied	−6.1
InsiderAdvantageended Oct 14	49.3%	46.8%	Troy Jackson +2.5	−3.6
Median of the final polls			Troy Jackson +4.5	−1.6
Result	53.0%	46.9%	Troy Jackson +6.1

November 3, 2026 · Result (unofficial, 95.67% reporting) · Each pollster's last poll ending in the 21 days before the vote, read for the two leading finishers; the median leaves out polls a side paid for

Pairings that are not the race on the ballot: candidates who lost a primary or withdrew, or a party's unnamed nominee. They are not charted.

co/efficient
Sep 28 – Sep 30, 2026 · 1,240 likely voters
By live phone and text message · Added to the Times' list Sep 30, 2026
- Democratic candidate46%
- Republican candidate46%
- Don't know8%
Tavern Research
Jul 3 – Jul 6, 2026 · 1,074 likely voters
Added to the Times' list Jul 6, 2026
- Graham Platner52%
- Susan Collins48%
Beacon Research/Shaw & Company Research
Jun 23 – Jun 27, 2026 · 1,003 registered voters · for Fox News
By live phone · Added to the Times' list Jun 30, 2026
- Susan Collins50%
- Graham Platner47%
The New York Times/Siena University
Jun 19 – Jun 26, 2026 · 608 likely voters · for Portland Press Herald
By live phone · Added to the Times' list Jun 29, 2026
- Graham Platner49.2%
- Susan Collins47.0%
- Don't know3.5%
- Someone else0.3%
Wick
Jun 11 – Jun 14, 2026 · 1,008 likely voters · for 2Way
By text-to-web · Added to the Times' list Jun 16, 2026
- Graham Platner47.6%
- Susan Collins45.4%
- Don't know7%
Quantus Insights
Jun 9 – Jun 11, 2026 · 870 likely voters
By text message · Added to the Times' list Jun 14, 2026
- Graham Platner46%
- Susan Collins45%
- Don't know7%
- Someone else2%
Tavern Research
Jun 5 – Jun 8, 2026 · 1,642 likely voters
By opt-in online panel and text-to-web · Added to the Times' list Jun 9, 2026
- Janet Mills52%
- Susan Collins48%
Tavern Research
Jun 5 – Jun 8, 2026 · 1,642 likely voters
By opt-in online panel and text-to-web · Added to the Times' list Jun 9, 2026
- Graham Platner51%
- Susan Collins49%
Tavern Research
Jun 5 – Jun 8, 2026 · 1,642 likely voters
By opt-in online panel and text-to-web · Added to the Times' list Jun 9, 2026
- Democratic candidate55%
- Susan Collins45%
University of Massachusetts Lowell Center for Public Opinion/YouGov
May 13 – May 26, 2026 · 650 likely voters
By opt-in online panel · Added to the Times' list Jun 4, 2026
- Graham Platner48%
- Susan Collins43%
- Don't know6%
- Someone else2%
- Would not vote1%
University of New Hampshire
May 21 – May 25, 2026 · 1,250 likely voters
By probability panel · Added to the Times' list May 27, 2026
- Graham Platner51%
- Susan Collins42%
- Don't know6%
- Someone else2%
Echelon Insights
Apr 3 – Apr 9, 2026 · 378 likely voters · for NetChoice
By text-to-web and opt-in online panel · Added to the Times' list Apr 21, 2026
- Janet Mills48%
- Susan Collins46%
- Don't know6%
Echelon Insights
Apr 3 – Apr 9, 2026 · 378 likely voters · for NetChoice
By text-to-web and opt-in online panel · Added to the Times' list Apr 21, 2026
- Graham Platner51%
- Susan Collins45%
- Don't know4%
Maine People's Resource Center
Mar 20 – Mar 31, 2026 · 1,167 likely voters
Added to the Times' list Apr 7, 2026
- Graham Platner48.3%
- Susan Collins39.3%
- Don't know12.4%
Maine People's Resource Center
Mar 20 – Mar 31, 2026 · 1,167 likely voters
Added to the Times' list Apr 7, 2026
- Susan Collins45%
- Janet Mills41.9%
- Don't know13.1%
Emerson College
Mar 21 – Mar 23, 2026 · 1,075 likely voters
By email, text-to-web and opt-in online panel · Added to the Times' list Mar 26, 2026
- Janet Mills46.2%
- Susan Collins42.5%
- Someone else8%
- Don't know3.4%
Emerson College
Mar 21 – Mar 23, 2026 · 1,075 likely voters
By email, text-to-web and opt-in online panel · Added to the Times' list Mar 26, 2026
- Graham Platner47.8%
- Susan Collins40.6%
- Don't know5.8%
- Someone else5.8%
OnMessage Inc.
Mar 3 – Mar 8, 2026 · 600 likely voters · for Insurance Watchdog Coalition
By live phone · Added to the Times' list Mar 11, 2026
- Janet Mills42%
- Susan Collins42%
- Don't know16%
OnMessage Inc.
Mar 3 – Mar 8, 2026 · 600 likely voters · for Insurance Watchdog Coalition
By live phone · Added to the Times' list Mar 11, 2026
- Graham Platner44%
- Susan Collins42%
- Don't know14%
Quantus Insights
Mar 3 – Mar 5, 2026 · 800 likely voters
By text message · Added to the Times' list Mar 9, 2026
- Susan Collins44.6%
- Janet Mills43%
- Don't know5.6%
- Someone else5.6%
- Would not vote1.1%
Quantus Insights
Mar 3 – Mar 5, 2026 · 800 likely voters
By text message · Added to the Times' list Mar 9, 2026
- Graham Platner48.6%
- Susan Collins41.8%
- Don't know5.9%
- Someone else2.9%
- Would not vote0.9%
Pan Atlantic SMS Group
Feb 13 – Mar 2, 2026 · 810 likely voters
Added to the Times' list Mar 4, 2026
- Susan Collins44%
- Janet Mills44%
- Don't know12%
Pan Atlantic SMS Group
Feb 13 – Mar 2, 2026 · 810 likely voters
Added to the Times' list Mar 4, 2026
- Graham Platner44%
- Susan Collins40%
- Don't know16%
University of New Hampshire
Feb 12 – Feb 16, 2026 · 1,097 likely voters
By probability panel · Added to the Times' list Feb 24, 2026
- Janet Mills41%
- Susan Collins40%
- Don't know10%
- Someone else9%
University of New Hampshire
Feb 12 – Feb 16, 2026 · 1,105 likely voters
By probability panel · Added to the Times' list Feb 24, 2026
- Graham Platner49%
- Susan Collins38%
- Don't know9%
- Someone else4%
Pan Atlantic SMS Group
Nov 29 – Dec 7, 2025 · 820 likely voters
Added to the Times' list Dec 10, 2025
- Susan Collins43%
- Janet Mills43%
- Don't know14%
Pan Atlantic SMS Group
Nov 29 – Dec 7, 2025 · 820 likely voters
Added to the Times' list Dec 10, 2025
- Graham Platner43%
- Susan Collins42%
- Don't know15%
Cygnal Political
Nov 10 – Nov 11, 2025 · 600 likely voters · for Plymouth Union Public Advocacy
By live phone and text-to-web · Added to the Times' list Nov 13, 2025
- Democratic candidate49%
- Susan Collins41%
- Don't know11%
Maine People's Resource Center
Oct 26 – Oct 29, 2025 · 783 registered voters
Added to the Times' list Nov 12, 2025
- Susan Collins45.8%
- Janet Mills41.7%
- Don't know12.5%
Maine People's Resource Center
Oct 26 – Oct 29, 2025 · 783 registered voters
Added to the Times' list Nov 12, 2025
- Graham Platner44.8%
- Susan Collins40.9%
- Don't know14.3%
Zenith Research
Oct 7 – Oct 10, 2025 · 501 likely voters · for More Perfect Union
By opt-in online panel · Added to the Times' list Oct 10, 2025
- Susan Collins38%
- Graham Platner38%
- Don't know15%
- Someone else9%
- Would not vote1%
Zenith Research
Oct 7 – Oct 10, 2025 · 501 likely voters · for More Perfect Union
By opt-in online panel · Added to the Times' list Oct 10, 2025
- Janet Mills42%
- Susan Collins37%
- Don't know12%
- Someone else9%
- Would not vote1%

Democratic primary

Primary June 9, 2026 · 12 polls

Graham Platner leads Janet Mills by 29.9 points · average gap, 2 latest nonpartisan polls · 3 far-off polls left out

DGraham Platner61.1% median
DJanet Mills28% median
DDavid Costello3% median
DJordan Wood1.9% median

Each dot is a poll. The line is the median of the 5 latest nonpartisan polls. Some polls published only first choices, which run lower than a final round. How polls are read

Primary result and the final polls

Graham Platner won. The race has been called, but the count we have stopped at 78% reporting, so the polls are not measured against the margin.

Poll	Graham Platner	Janet Mills	Lead
Tavern Researchended Jun 5	68%	16%	Graham Platner +52
University of New Hampshireended May 25	76%	10%	Graham Platner +66
Median of the final polls			Graham Platner +59
Result, 78% reporting	72.0%	19.3%	—

June 9, 2026 · Result · Each pollster's last poll ending in the 21 days before the vote, read for the two leading finishers; the median leaves out polls a side paid for; a margin is compared once 95% is reported

How to vote in Maine

How to vote in Maine

United States Senate

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Election result and the final polls

Primary result and the final polls

Who is spending in this race