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 MDT

Absentee Ballot Return Deadline

Received by
Tue May 21, 2024 8:00PM MDT

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

Received by
Thu May 23, 2024 8:00PM MDT

Early Voting Available

None on Record

Absentee voting will not be available for the Idaho Democratic Presidential Caucus. Voting will be in-person at caucus locations.

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

Overseas:

Postmarked by
Fri Apr 26, 2024

Military:

None on Record

Absentee Ballot Request Deadline

Overseas:

Received by
Fri May 10, 2024 5:00PM MDT

Military:

None on Record

Absentee Ballot Return Deadline

Overseas:

Received by
Tue May 21, 2024 8:00PM MDT

Military:

None on Record

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

Received by
Thu May 23, 2024 8:00PM MDT

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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