Welcome Idaho voters! Below you will find your upcoming election dates, voter registration deadlines, state requirements for Voter ID, as well as information on online voter registration, automatic voter registration, vote-by-mail, early voting, and minor pre-registration.


Primary Election Dates & Registration Deadlines

Party Primaries
Registration Deadlines
Same Day Registration
Mail-In Online In-Person
May 15 April 20 (postmarked) April 20 May 15 Yes


General Election Dates & Registration Deadlines

General Election Registration Deadlines
Same Day Registration
Mail-In Online In-Person
November 6 October 12 (postmarked) October 12 November 22 Yes


Online Voter Registration

Yes, Idaho has Online Voter Registration. Need a Idaho drivers’ license or ID card. You can register online here.

Voter ID

Strict = if no identification, voter must take additional measures after Election Day to have ballot counted

Non-strict = if no identification, voter still has option to cast ballot that may be counted without additional measures by voter

Idaho has non-strict photo ID requirements. Here are the approved forms of ID in the state of Idaho:

  • An Idaho driver’s license or Idaho photo identification card.
  • A U.S. passport or Federal photo identification card.
  • A tribal photo identification card.
  • A current student photo ID, issued by an Idaho high school or post secondary education institution.
  • A license to carry a concealed weapon issued by a county sheriff in Idaho.


Idaho does have “no-excuse” vote-by-mail. You must request your ballot 11 days prior to the Election Day. Your ballot must be received received by Election Day if by mail, but if in-person, it must be received at the polling place by 5:00 p.m. the Friday before the election.

Early Voting

Idaho has in-person early voting. Early voting begins on a varying date and ends Friday prior to Election Day. Early voting is located in varying locations depending on the county – contact your county clerk’s office for more information. To contact your county clerk about early voting, find their information here.

Automatic Voter Registration (Motor Voter)

Idaho has no Automatic Voter Registration.

Minor Pre-Registration

No specific provision. Contact your state election officials for details.

Links to State-by-State Charts

2018 Election Dates & Deadlines

Online Voter Registration

Automatic Voter Registration

Vote By Mail

Early Voting

Voter ID

Content Updated Summer 2018


Voting Rights Updates

Get the latest updates on the ongoing struggle to defend voting rights and make it easier to vote.