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  3. Maine U.S. Senate General Election
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Maine U.S. Senate General Election

Election Date:November 3, 2026Register by:October 18, 2026
Current holder:Angus King(Independent)

The 2026 Maine U.S. Senate general election will determine who represents Maine in the United States Senate for the term beginning January 3, 2027. Voters will choose between the incumbent senator and challengers from major parties, with the outcome potentially influencing the Senate's partisan balance.

About This Race

The 2026 Maine U.S. Senate general election will determine who represents Maine in the United States Senate for the term beginning January 3, 2027. Voters will choose between the incumbent senator and challengers from major parties, with the outcome potentially influencing the Senate's partisan balance.

Candidates

Important Dates

Election Date
November 3, 2026
Registration Deadline
October 18, 2026
Early Voting Starts
October 7, 2026
Early Voting Ends
October 31, 2026

How to Vote

To vote in Maine, eligible citizens must register by October 18, 2026, either online, by mail, or in person at their local town office or city hall. Registered voters can cast ballots early in person from October 7 to October 31, 2026, at designated early voting sites, or vote absentee by mail by requesting a ballot through the Maine Secretary of State’s website or their local clerk.

AK
Incumbent
Independent

Angus King

United States Senator from Maine

Biography

Angus King is the incumbent U.S. Senator from Maine, first elected in 2012 and re-elected in 2018. A former governor of Maine (1995-2003), he is running for re-election to continue his work on bipartisan issues, climate policy, and economic development, positioning himself as a pragmatic voice outside the two-party system.

Campaign Website
JO
Incumbent
Democratic

Jon Ossoff

Senator

No biography available for this candidate yet.

SC
Incumbent
Republican

Susan Collins

Senator

Biography

Susan Collins is a United States Senator from Maine. She has served in the Senate since 1997 and is the longest-serving Republican woman in Senate history.

DC
Republican

David Costello

United States Senator from Maine

Biography

David Costello is a Maine-based entrepreneur and former state official who served as Commissioner of the Maine Department of Administrative and Financial Services under Governor Paul LePage. He is running to bring private-sector experience to the Senate, focusing on reducing federal spending, strengthening border security, and supporting Maine’s traditional industries like forestry and fishing.

Campaign Website

Updated 2 days ago

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Biden-appointed judge at center of repeated clashes with Trump administration issues new immigration block

Biden-appointed Judge Brian Murphy blocked the deportation of thousands of Ethiopian migrants, finding DHS did not follow proper protocols to cancel their temporary protected status.

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Politico 4 days ago