Idaho Election Dates and Deadlines

Welcome to the Idaho Election Dates and Deadlines listing from U.S. Vote Foundation.

Here you can find out when Idaho elections will be held at the local, state and federal election level. There are many different deadlines associated with Idaho elections, such as voter registration deadlines, absentee ballot request and ballot return deadlines, date ranges for early voting, and in-person voting options. No matter the type of election, or whether you are voting at home or voting from abroad, this service will provide you with comprehensive election dates and deadlines for your voting state of Idaho.

Idaho Federal and State Elections

Sat Mar 2, 2024 - Idaho Republican Presidential Caucus

Voter Registration Deadline

Mon Jan 1, 2024

Absentee Ballot Request Deadline

None on Record

Absentee Ballot Return Deadline

None on Record

Early Voting Available

None on Record

All voters registered with the Idaho Republican Party as of January 1, 2024 as well as Idaho citizens who turn 18 between January 1 and March 2, 2024 and who register to vote and affiliate with the Republican Party may participate.

The Idaho GOP shall notify every eligible caucus participant via post card of the time and place of their precinct’s caucus. A general notice shall also be posted on the Idaho GOP IDGOP website within 10 days of the caucus.

For more information, go to Idaho Republican Caucus Absentee voting will not be available for the Idaho Republican Presidential Caucus.

Tue May 21, 2024 - Idaho State Primary

Voter Registration Deadline

  • In the Election Office by
    Fri Apr 26, 2024
  • Postmarked by
    Fri Apr 26, 2024
  • Election Day Registration & Voting
    Tue May 21, 2024

Absentee Ballot Request Deadline

  • Request for Postal Ballot by
    Fri May 10, 2024 5:00PM
  • In-Person Request by
    Fri May 17, 2024
  • Emergency Ballot Period

    Emergency Ballot period ends 5 PM on May 20, 2024


    From Thu May 16, 2024 to Mon May 20, 2024

Absentee Ballot Return Deadline

Received by
Tue May 21, 2024 8:00PM

Early Voting Available

Early Voting

Early Voting varies by county. Contact your local election office to confirm.


From Mon May 6, 2024 to Fri May 17, 2024

Thu May 23, 2024 - Idaho Democratic Presidential Caucus

Voter Registration Deadline

None on Record

Absentee Ballot Request Deadline

None on Record

Absentee Ballot Return Deadline

None on Record

Early Voting Available

None on Record

County Caucuses will take place from 5:00 to 8:00 p.m. local time and will be hosted in meetings assigned by county parties statewide.

Caucus locations will be finalized by March 1, 2024. You can find you caucus location at IdahoDems.org/caucus/

The Idaho Democratic Caucus is open to all Registered Democrats and Unaffiliated voters.

Same day party affiliation and voter registration will be available at the caucus locations.

Must register/ be registered to vote in the county you are attending the caucus.

17 year-olds may vote if they will be 18 by Election Day, November 5, 2024.

Idaho Local Elections

There are currently no upcoming local elections identified for this state.

Idaho Federal and State Elections

Sat Mar 2, 2024 - Idaho Republican Presidential Caucus

Voter Registration Deadline

None on Record

Absentee Ballot Request Deadline

None on Record

Absentee Ballot Return Deadline

None on Record

Tue May 21, 2024 - Idaho State Primary

Voter Registration Deadline

Postmarked by
Fri Apr 26, 2024

Absentee Ballot Request Deadline

Received by
Fri May 10, 2024 5:00PM

Absentee Ballot Return Deadline

Received by
Tue May 21, 2024 8:00PM

Thu May 23, 2024 - Idaho Democratic Presidential Caucus

Voter Registration Deadline

None on Record

Absentee Ballot Request Deadline

None on Record

Absentee Ballot Return Deadline

None on Record

Idaho Local Elections

There are currently no upcoming local elections identified for this state.

Select a State to View Election Dates and Deadlines

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