How to register to vote in Idaho

By NPR staff
  •   Last revised Tuesday, July 14, 2026

Key links

General information Check voter registration status Register online Change registration

Deadlines for May 19 primary election

Online Register by Friday, May 8 at 5 p.m. local time
By mail Received by Friday, May 8 at 5 p.m. local time
In person Register by Tuesday, May 19
Eligible voters can register in person during early voting (April 27-May 15) or on Election Day.

Deadlines for Nov. 3 general election

Online Register by Friday, Oct. 23 at 5 p.m. local time
By mail Received by Friday, Oct. 23 at 5 p.m. local time
In person Register by Tuesday, Nov. 3
Eligible voters can register in person during early voting (Oct. 13-30) or on Election Day.

Last updated July 14, 2026. Military and overseas citizen voters may have different registration deadlines.