Race update

Graham Platner secured the Democratic nomination on June 9, 2026. However, following the release of rape accusations against Platner, he withdrew from the race on July 10, 2026. As a result, the Maine Democratic Party nominated Troy Jackson to replace Platner on the ballot on July 25, 2026.

Troy Jackson, 2026 Maine Senate Democratic candidate
Troy Jackson
DEMOCRATIC
President, Maine State Senate (D)
2018 – 2024

2026 Maine Senate Polls

Susan Collins, 2026 Maine Senate Republican candidate
Susan Collins
REPUBLICAN
US Senate (R-ME)
1997 – Present

2026 Maine Senate Polling Average:

Aggregate of all polls released for Maine's Senate election between Democrat Troy Jackson and Republican Susan Collins. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.

Year
2026
Race
Senate
State
Maine
Democratic candidate
Troy Jackson
Republican candidate
Susan Collins
Incumbent / open seat
Susan Collins
Polling average
47.6% D / 46.4% R
Polling average margin
D +1.2
Last updated
12:00 AM on August 28, 2026
Polls included
6
Latest poll
Abacus Data (R) — August 28, 2026

Maine Senate Polling Trend

2026 Maine Senate Polling Average

Troy Jackson leads Susan Collins by 1.2% in the Pollsmax polling average for the 2026 Maine Senate election, 47.6% to 46.4%. The average currently aggregates results from 6 polls. According to the latest Maine Senate poll, conducted by Abacus Data (R) on August 28, Jackson leads Collins 52% to 43%.

Democrat

%

Weighted polling average

Republican

%

Weighted polling average

Net margin

Polling average difference

Polls Included

Number of polls conducted

Latest Maine Senate Polls

Pollster
Date
Sample
Troy Jackson
Susan Collins*
Margin
Polling Average
47.6%
46.4%
D +1.2
Abacus Data (R)
August 28, 2026
1,507 LV
52%
43%
D +9.0
Fox News / Beacon Research
August 10, 2026
1,000 LV
48%
46%
D +2.0
Hart Research (D)
August 1, 2026
802 LV
49%
45%
D +4.0
Z to A Research (D)
July 8, 2026
988 LV
47%
48%
R +1.0
Public Policy Polling (D)
July 7, 2026
785 LV
49%
44%
D +5.0
Wedgewood Polls
July 6, 2026
405 LV
48%
43%
D +5.0

About the Pollsmax Polling Average

Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.