2026 polls

The newest poll in each race, as the pollster published it. We do not adjust or rate polls.

Filter · US Senate, Maine

49 polls · Maine

Showing 1 to 49, newest first.

2026 polls, newest first
Field dates	Race	Pollster	Sample	Results
Oct 20 to Oct 26, 2026	Maine US Senate	CNN/SSRS	783 Likely voters	49%Troy Jackson 45%Susan Collins
Oct 22 to Oct 25, 2026	Maine US Senate	Marist University	Not stated Likely voters	49%Troy Jackson 47%Susan Collins
Oct 16 to Oct 23, 2026	Maine US Senate	Echelon Insights	413 Likely voters	51%Troy Jackson 44%Susan Collins
Oct 16 to Oct 20, 2026	Maine US Senate	Beacon Research/Shaw & Co. Research	1,514 Likely voters	49%Troy Jackson 49%Susan Collins
Oct 13 to Oct 14, 2026	Maine US Senate	InsiderAdvantage	1,200 Likely voters	49%Troy Jackson 47%Susan Collins
Sep 30 to Oct 5, 2026	Maine US Senate	The Washington Post/George Mason University School of Policy and Government	800 Likely voters	50%Troy Jackson 46%Susan Collins
Oct 1 to Oct 4, 2026	Maine US Senate	Marist University	1,505 Registered voters	51%Troy Jackson 47%Susan Collins
Sep 27 to Oct 1, 2026	Maine US Senate	Wedgewood Polls	400 Likely voters	52%Troy Jackson 48%Susan Collins
Sep 28 to Sep 30, 2026	Maine US Senate	co/efficient	1,240 Likely voters	48%Susan Collins 46%Troy Jackson
Sep 20 to Sep 22, 2026	Maine US Senate	Fabrizio, Lee & Associates/Impact Research	982 Likely voters	50%Troy Jackson 47%Susan Collins
Sep 15 to Sep 22, 2026	Maine US Senate	The New York Times/Siena University	619 Likely voters	49%Susan Collins 46%Troy Jackson
Sep 17 to Sep 21, 2026	Maine US Senate	University of New Hampshire	1,312 Likely voters	51%Troy Jackson 47%Susan Collins
Sep 14 to Sep 15, 2026	Maine US Senate	Quantus Insights	621 Likely voters	47%Susan Collins 46%Troy Jackson
Aug 28 to Sep 14, 2026	Maine US Senate	University of Massachusetts Lowell Center for Public Opinion/YouGov	650 Likely voters	48%Troy Jackson 43%Susan Collins
Sep 2 to Sep 8, 2026	Maine US Senate	YouGov	1,335 Likely voters	48%Troy Jackson 44%Susan Collins
Aug 6 to Aug 10, 2026	Maine US Senate	Beacon Research/Shaw & Co. Research	1,000 Registered voters	48%Troy Jackson 46%Susan Collins
Jul 27 to Aug 1, 2026	Maine US Senate	Hart Research Associates Partisan sponsor: Democratic	802 Likely voters	49%Troy Jackson 45%Susan Collins
Jul 15 to Jul 20, 2026	Maine US Senate	University of New Hampshire	1,178 Likely voters	49%Troy Jackson 46%Susan Collins
Jun 23 to Jun 27, 2026	Maine US Senate	Beacon Research/Shaw & Co. Research	1,003 Registered voters	50%Susan Collins 47%Graham Platner
Jun 19 to Jun 26, 2026	Maine US Senate	The New York Times/Siena University	608 Likely voters	49%Graham Platner 47%Susan Collins
Jun 11 to Jun 14, 2026	Maine US Senate	Wick	1,008 Likely voters	48%Graham Platner 45%Susan Collins
Jun 9 to Jun 11, 2026	Maine US Senate	Quantus Insights	870 Likely voters	46%Graham Platner 45%Susan Collins
Jun 5 to Jun 8, 2026	Maine US Senate	Tavern Research	1,642 Likely voters	51%Graham Platner 49%Susan Collins
Jun 8, 2026	Maine US Senate	The Public Sentiment Institute	497 Likely voters	44%Susan Collins 43%Graham Platner
Jun 1 to Jun 3, 2026	Maine US Senate	Fabrizio, Lee & Associates Partisan sponsor: Republican	800 Likely voters	46%Susan Collins 46%Graham Platner
May 21 to May 25, 2026	Maine US Senate	University of New Hampshire Survey Center	1,280 Likely voters	51%Graham Platner 42%Susan Collins
May 8 to May 18, 2026	Maine US Senate	Pan Atlantic SMS Group	827 Likely voters	48%Graham Platner 41%Susan Collins
May 13 to May 16, 2026	Maine US Senate	University of Massachusetts Lowell Center for Public Opinion/YouGov	650 Likely voters	48%Graham Platner 43%Susan Collins
Apr 3 to Apr 9, 2026	Maine US Senate	Echelon Insights	378 Likely voters	51%Graham Platner 45%Susan Collins
Apr 3 to Apr 9, 2026	Maine US Senate	Echelon Insights	378 Likely voters	48%Janet Mills 46%Susan Collins
Mar 20 to Mar 31, 2026	Maine US Senate	Maine People's Resource Center	1,167 Likely voters	48%Graham Platner 39%Susan Collins
Mar 20 to Mar 31, 2026	Maine US Senate	Maine People's Resource Center	1,167 Likely voters	45%Susan Collins 42%Janet Mills
Mar 21 to Mar 23, 2026	Maine US Senate	Emerson College	1,075 Likely voters	46%Janet Mills 43%Susan Collins
Mar 21 to Mar 23, 2026	Maine US Senate	Emerson College	1,075 Likely voters	48%Graham Platner 41%Susan Collins
Mar 3 to Mar 5, 2026	Maine US Senate	Quantus Insights	800 Likely voters	49%Graham Platner 42%Susan Collins
Mar 3 to Mar 5, 2026	Maine US Senate	Quantus Insights	800 Likely voters	45%Susan Collins 43%Janet Mills
Feb 13 to Mar 2, 2026	Maine US Senate	Pan Atlantic SMS Group	810 Likely voters	44%Graham Platner 40%Susan Collins
Feb 13 to Mar 2, 2026	Maine US Senate	Pan Atlantic SMS Group	810 Likely voters	44%Susan Collins 44%Janet Mills
Feb 12 to Feb 16, 2026	Maine US Senate	University of New Hampshire	1,097 Likely voters	41%Janet Mills 40%Susan Collins
Feb 12 to Feb 16, 2026	Maine US Senate	University of New Hampshire	1,105 Likely voters	49%Graham Platner 38%Susan Collins
Jan 20 to Jan 24, 2026	Maine US Senate	Fabrizio, Lee & Associates Partisan sponsor: Republican	800 Likely voters	45%Susan Collins 44%Janet Mills
Jan 20 to Jan 24, 2026	Maine US Senate	Fabrizio, Lee & Associates Partisan sponsor: Republican	800 Likely voters	45%Susan Collins 44%Graham Platner
Nov 29 to Dec 7, 2025	Maine US Senate	Pan Atlantic SMS Group	820 Likely voters	43%Graham Platner 42%Susan Collins
Nov 29 to Dec 7, 2025	Maine US Senate	Pan Atlantic SMS Group	820 Likely voters	43%Susan Collins 43%Janet Mills
Nov 10 to Nov 11, 2025	Maine US Senate	Cyngal	600 Likely voters	49%Dem 41%Susan Collins
Oct 26 to Oct 29, 2025	Maine US Senate	Maine People's Resource Center	783 Registered voters	46%Susan Collins 42%Janet Mills
Oct 26 to Oct 29, 2025	Maine US Senate	Maine People's Resource Center	783 Registered voters	45%Graham Platner 41%Susan Collins
Oct 7 to Oct 10, 2025	Maine US Senate	Zenith Research	501 Likely voters	42%Janet Mills 37%Susan Collins
Oct 7 to Oct 10, 2025	Maine US Senate	Zenith Research	501 Likely voters	38%Susan Collins 38%Graham Platner

Maine US Senate
- 49%Troy Jackson
- 45%Susan Collins
CNN/SSRS · Oct 20 to Oct 26, 2026 · 783 likely voters
Maine US Senate
- 49%Troy Jackson
- 47%Susan Collins
Marist University · Oct 22 to Oct 25, 2026 · sample not stated
Maine US Senate
- 51%Troy Jackson
- 44%Susan Collins
Echelon Insights · Oct 16 to Oct 23, 2026 · 413 likely voters
Maine US Senate
- 49%Troy Jackson
- 49%Susan Collins
Beacon Research/Shaw & Co. Research · Oct 16 to Oct 20, 2026 · 1,514 likely voters
Maine US Senate
- 49%Troy Jackson
- 47%Susan Collins
InsiderAdvantage · Oct 13 to Oct 14, 2026 · 1,200 likely voters
Maine US Senate
- 50%Troy Jackson
- 46%Susan Collins
The Washington Post/George Mason University School of Policy and Government · Sep 30 to Oct 5, 2026 · 800 likely voters
Maine US Senate
- 51%Troy Jackson
- 47%Susan Collins
Marist University · Oct 1 to Oct 4, 2026 · 1,505 registered voters
Maine US Senate
- 52%Troy Jackson
- 48%Susan Collins
Wedgewood Polls · Sep 27 to Oct 1, 2026 · 400 likely voters
Maine US Senate
- 48%Susan Collins
- 46%Troy Jackson
co/efficient · Sep 28 to Sep 30, 2026 · 1,240 likely voters
Maine US Senate
- 50%Troy Jackson
- 47%Susan Collins
Fabrizio, Lee & Associates/Impact Research · Sep 20 to Sep 22, 2026 · 982 likely voters
Maine US Senate
- 49%Susan Collins
- 46%Troy Jackson
The New York Times/Siena University · Sep 15 to Sep 22, 2026 · 619 likely voters
Maine US Senate
- 51%Troy Jackson
- 47%Susan Collins
University of New Hampshire · Sep 17 to Sep 21, 2026 · 1,312 likely voters
Maine US Senate
- 47%Susan Collins
- 46%Troy Jackson
Quantus Insights · Sep 14 to Sep 15, 2026 · 621 likely voters
Maine US Senate
- 48%Troy Jackson
- 43%Susan Collins
University of Massachusetts Lowell Center for Public Opinion/YouGov · Aug 28 to Sep 14, 2026 · 650 likely voters
Maine US Senate
- 48%Troy Jackson
- 44%Susan Collins
YouGov · Sep 2 to Sep 8, 2026 · 1,335 likely voters
Maine US Senate
- 48%Troy Jackson
- 46%Susan Collins
Beacon Research/Shaw & Co. Research · Aug 6 to Aug 10, 2026 · 1,000 registered voters
Maine US Senate
- 49%Troy Jackson
- 45%Susan Collins
Hart Research Associates · Jul 27 to Aug 1, 2026 · 802 likely voters · Partisan sponsor: Democratic
Maine US Senate
- 49%Troy Jackson
- 46%Susan Collins
University of New Hampshire · Jul 15 to Jul 20, 2026 · 1,178 likely voters
Maine US Senate
- 50%Susan Collins
- 47%Graham Platner
Beacon Research/Shaw & Co. Research · Jun 23 to Jun 27, 2026 · 1,003 registered voters
Maine US Senate
- 49%Graham Platner
- 47%Susan Collins
The New York Times/Siena University · Jun 19 to Jun 26, 2026 · 608 likely voters
Maine US Senate
- 48%Graham Platner
- 45%Susan Collins
Wick · Jun 11 to Jun 14, 2026 · 1,008 likely voters
Maine US Senate
- 46%Graham Platner
- 45%Susan Collins
Quantus Insights · Jun 9 to Jun 11, 2026 · 870 likely voters
Maine US Senate
- 51%Graham Platner
- 49%Susan Collins
Tavern Research · Jun 5 to Jun 8, 2026 · 1,642 likely voters
Maine US Senate
- 44%Susan Collins
- 43%Graham Platner
The Public Sentiment Institute · Jun 8, 2026 · 497 likely voters
Maine US Senate
- 46%Susan Collins
- 46%Graham Platner
Fabrizio, Lee & Associates · Jun 1 to Jun 3, 2026 · 800 likely voters · Partisan sponsor: Republican
Maine US Senate
- 51%Graham Platner
- 42%Susan Collins
University of New Hampshire Survey Center · May 21 to May 25, 2026 · 1,280 likely voters
Maine US Senate
- 48%Graham Platner
- 41%Susan Collins
Pan Atlantic SMS Group · May 8 to May 18, 2026 · 827 likely voters
Maine US Senate
- 48%Graham Platner
- 43%Susan Collins
University of Massachusetts Lowell Center for Public Opinion/YouGov · May 13 to May 16, 2026 · 650 likely voters
Maine US Senate
- 51%Graham Platner
- 45%Susan Collins
Echelon Insights · Apr 3 to Apr 9, 2026 · 378 likely voters
Maine US Senate
- 48%Janet Mills
- 46%Susan Collins
Echelon Insights · Apr 3 to Apr 9, 2026 · 378 likely voters
Maine US Senate
- 48%Graham Platner
- 39%Susan Collins
Maine People's Resource Center · Mar 20 to Mar 31, 2026 · 1,167 likely voters
Maine US Senate
- 45%Susan Collins
- 42%Janet Mills
Maine People's Resource Center · Mar 20 to Mar 31, 2026 · 1,167 likely voters
Maine US Senate
- 46%Janet Mills
- 43%Susan Collins
Emerson College · Mar 21 to Mar 23, 2026 · 1,075 likely voters
Maine US Senate
- 48%Graham Platner
- 41%Susan Collins
Emerson College · Mar 21 to Mar 23, 2026 · 1,075 likely voters
Maine US Senate
- 49%Graham Platner
- 42%Susan Collins
Quantus Insights · Mar 3 to Mar 5, 2026 · 800 likely voters
Maine US Senate
- 45%Susan Collins
- 43%Janet Mills
Quantus Insights · Mar 3 to Mar 5, 2026 · 800 likely voters
Maine US Senate
- 44%Graham Platner
- 40%Susan Collins
Pan Atlantic SMS Group · Feb 13 to Mar 2, 2026 · 810 likely voters
Maine US Senate
- 44%Susan Collins
- 44%Janet Mills
Pan Atlantic SMS Group · Feb 13 to Mar 2, 2026 · 810 likely voters
Maine US Senate
- 41%Janet Mills
- 40%Susan Collins
University of New Hampshire · Feb 12 to Feb 16, 2026 · 1,097 likely voters
Maine US Senate
- 49%Graham Platner
- 38%Susan Collins
University of New Hampshire · Feb 12 to Feb 16, 2026 · 1,105 likely voters
Maine US Senate
- 45%Susan Collins
- 44%Janet Mills
Fabrizio, Lee & Associates · Jan 20 to Jan 24, 2026 · 800 likely voters · Partisan sponsor: Republican
Maine US Senate
- 45%Susan Collins
- 44%Graham Platner
Fabrizio, Lee & Associates · Jan 20 to Jan 24, 2026 · 800 likely voters · Partisan sponsor: Republican
Maine US Senate
- 43%Graham Platner
- 42%Susan Collins
Pan Atlantic SMS Group · Nov 29 to Dec 7, 2025 · 820 likely voters
Maine US Senate
- 43%Susan Collins
- 43%Janet Mills
Pan Atlantic SMS Group · Nov 29 to Dec 7, 2025 · 820 likely voters
Maine US Senate
- 49%Dem
- 41%Susan Collins
Cyngal · Nov 10 to Nov 11, 2025 · 600 likely voters
Maine US Senate
- 46%Susan Collins
- 42%Janet Mills
Maine People's Resource Center · Oct 26 to Oct 29, 2025 · 783 registered voters
Maine US Senate
- 45%Graham Platner
- 41%Susan Collins
Maine People's Resource Center · Oct 26 to Oct 29, 2025 · 783 registered voters
Maine US Senate
- 42%Janet Mills
- 37%Susan Collins
Zenith Research · Oct 7 to Oct 10, 2025 · 501 likely voters
Maine US Senate
- 38%Susan Collins
- 38%Graham Platner
Zenith Research · Oct 7 to Oct 10, 2025 · 501 likely voters

Source and license

Polling data from VoteHub (https://votehub.com/polls/api/), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Records reformatted by Election Wrld.

“Incumbent” marks a name that exactly matches the current holder of that seat in our officials files. Some polls were fielded in 2025. Last poll added to our copy: October 30, 2026. The polls API returns the same rows as JSON, or as CSV with ?format=csv.