Presidential elections · 1976–2024
Idaho Presidential Election Results (1976–2024)
In 2024, Idaho voted for Donald J. Trump (Republican) by R+36.5 — 274,972 Democratic to 605,246 Republican of 905,057 votes cast.
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 1976–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
2024 margin by county
Click a county to see its election results. Hatched areas have no county-level results.
Build your own tables of margins, swings, and vote shares — any mix of states and counties, any election back to 1976.
Idaho results by county
Sorted by 2024 votes cast; margins are 2024 Democratic minus Republican.
Idaho presidential elections — FAQ
Who carried Idaho in the 2024 presidential election?+
Donald J. Trump (Republican) carried Idaho in 2024 by R+36.5, with 905,057 votes cast statewide. Data: MIT Election Data & Science Lab.
When did Idaho last vote for a Democratic presidential candidate?+
Idaho has voted Republican in every presidential election in this series, which begins in 1976.
Which Idaho county had the biggest 2024 margin?+
Franklin County had the widest 2024 presidential margin of any Idaho county — R+77.6 on 7,184 votes cast.
What was Idaho's closest presidential election since 1976?+
1992: the margin was R+13.6 — 65,632 votes out of 482,114 cast.
Analyze Idaho election results
Chart margins, vote shares, and swings for Idahoand its counties — or line states up side by side. Free while we're in beta.