A comprehensive guide to Idaho's 2026 elections. Key dates, deadlines, and every candidate who has filed for federal, state, and county office. Updated as filings come in from the Idaho Secretary of State.
Last updated April 21, 2026 at 9:49 AM Mountain · Source: Idaho Secretary of State
Idaho Primary Election
May 19, 2026
27
Days
Tuesday · Polls 8 AM – 8 PM MT
Idaho General Election
November 3, 2026
195
Days
Tuesday · Polls 8 AM – 8 PM MT
Election Calendar
9 Upcoming Events · 11 Total
Primary Election May 2026
Feb
23
2026
Mon
Candidate Filing Opens
Filing period opens for May 2026 primary election candidates.
08:00 MT
Filing Opens
Mar
13
2026
Fri
Candidate Filing Deadline
Last day for candidates to file declarations of candidacy for the May 2026 primary.
17:00 MT
Apr
24
2026
Fri
Voter Action Required
Voter Registration Deadline (Primary)
Last day to register to vote for the May 2026 primary election. Election Day registration also available with proper ID.
23:59 MT
Midnight
May
4
2026
Mon
Early Voting Begins (Primary)
Early in-person voting begins in counties offering this option.
Begins
May
8
2026
Fri
Absentee Ballot Request Deadline (Primary)
Last day for voters to request an absentee ballot for the primary election.
17:00 MT
May
19
2026
Tue
Election Day
Idaho Primary Election
Primary election day. Polls open 8 AM to 8 PM Mountain. Federal, state, county, and judicial primaries on the ballot.
08:00 MT
Polls Open
General Election November 2026
Oct
9
2026
Fri
Voter Action Required
Voter Registration Deadline (General)
Last day to register to vote for the November 2026 general election.
23:59 MT
Midnight
Oct
19
2026
Mon
Early Voting Begins (General)
Early in-person voting begins in counties offering this option.
Begins
Oct
23
2026
Fri
Absentee Ballot Request Deadline (General)
Last day for voters to request an absentee ballot for the general election.
17:00 MT
Nov
3
2026
Tue
Election Day
Idaho General Election
General election day. Polls open 8 AM to 8 PM Mountain. All federal, state, county, judicial, and ballot measure races.
08:00 MT
Polls Open
Nov
23
2026
Mon
Election Certification Deadline
Idaho Secretary of State certifies the November 2026 general election results.
Election dates and candidate filings are updated as they become available from the Idaho Secretary of State. Candidate profiles are verified against official filing documents.