2026 PRIMARY
U.S. Senate · Maine
One seat · current holder Susan Collins (R) · 13 candidates declared
Election day● Jun 9, 2026
General election● Nov 3, 2026
Voter reg deadline21 days before Election Day
Early voting opens30 days before Election Day
State Voting Deadlines
Election Day · Nov 3, 2026- Voter reg · in person
- Election Day
- Voter reg · by mail
- 21 days before Election Day (received)
- Voter reg · online
- 21 days before Election Day
- Early voting starts
- 30 days before Election Day
- Early voting ends
- 5 days before Election Day
- Absentee request · in person
- 5 days before Election Day
- Absentee request · by mail
- 5 days before Election Day (received)
- Ballot return · by mail
- Election Day (received)
No-excuse absenteeAutomatic voter registrationSame-day registration