2026 GENERAL
U.S. Senate · Arkansas
One seat · current holder Thomas Cotton (R) · 5 candidates declared
General election● Nov 3, 2026
Voter reg deadlineN/A
Early voting opens15 days before Election Day
State Voting Deadlines
Election Day · Nov 3, 2026- Voter reg · in person
- 30 days before Election Day
- Voter reg · by mail
- 30 days before Election Day (postmarked)
- Voter reg · online
- N/A
- Early voting starts
- 15 days before Election Day
- Early voting ends
- 1 day before Election Day
- Absentee request · in person
- 4 days before Election Day
- Absentee request · by mail
- 7 days before Election Day (received)
- Ballot return · by mail
- Election Day (received)