State profile
Idaho elections & voting
Electoral votes, voting rules, and presidential results for Idaho.
Voting rules
Photo ID requested; affidavit available
Any voter can request absentee ballot
Early voting available 14 days before election
Register and vote on Election Day
Election history
How Idaho has voted in presidential elections.
- 2024RepublicanDonald Trump4 EV
- 2020RepublicanDonald Trump4 EV
- 2016RepublicanDonald Trump4 EV
- 2012RepublicanMitt Romney4 EV
- 2008RepublicanJohn McCain4 EV
- 1920RepublicanWarren G. Harding4 EV
- 1916DemocraticWoodrow Wilson4 EV
- 1912DemocraticWoodrow Wilson4 EV
- 1908RepublicanWilliam Howard Taft3 EV
- 1904RepublicanTheodore Roosevelt3 EV
- 1900DemocraticWilliam Jennings Bryan3 EV
- 1896DemocraticWilliam Jennings Bryan3 EV
- 1892PopulistJames B. Weaver3 EV
Timeline
2020s
2024 Presidential Election
Donald Trump won ID with 4 electoral votes
2020 Presidential Election
Donald Trump won ID with 4 electoral votes
2010s
2016 Presidential Election
Donald Trump won ID with 4 electoral votes
No-Excuse Absentee
Any voter can request absentee ballot
2012 Presidential Election
Mitt Romney won ID with 4 electoral votes
Photo ID Requested
Photo ID requested; affidavit available
2000s
2008 Presidential Election
John McCain won ID with 4 electoral votes
14 Days Early Voting
Early voting available 14 days before election
1990s
Same-Day Registration
Register and vote on Election Day
1920s
1920 Presidential Election
Warren G. Harding won ID with 4 electoral votes
1910s
1916 Presidential Election
Woodrow Wilson won ID with 4 electoral votes
1912 Presidential Election
Woodrow Wilson won ID with 4 electoral votes
1900s
1908 Presidential Election
William Howard Taft won ID with 3 electoral votes
1904 Presidential Election
Theodore Roosevelt won ID with 3 electoral votes
1900 Presidential Election
William Jennings Bryan won ID with 3 electoral votes
1890s
1896 Presidential Election
William Jennings Bryan won ID with 3 electoral votes
1892 Presidential Election
James B. Weaver won ID with 3 electoral votes