Presidential elections · 1976–2024
Illinois Presidential Election Results (1976–2024)
In 2024, Illinois voted for Kamala D. Harris (Democratic) by D+10.9 — 3,062,863 Democratic to 2,449,079 Republican of 5,633,310 votes cast. It last voted Republican in 1988.
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.
Illinois results by county
Sorted by 2024 votes cast; margins are 2024 Democratic minus Republican.
Illinois presidential elections — FAQ
Who carried Illinois in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Illinois in 2024 by D+10.9, with 5,633,310 votes cast statewide. Data: MIT Election Data & Science Lab.
When did Illinois last vote for a Republican presidential candidate?+
Illinois last voted Republican in 1988, when it went R+2.1. It has voted Democratic in every presidential election since.
Which Illinois county had the biggest 2024 margin?+
Edwards County had the widest 2024 presidential margin of any Illinois county — R+71.1 on 3,289 votes cast.
What was Illinois's closest presidential election since 1976?+
1976: the margin was R+2.0 — 92,974 votes out of 4,721,282 cast.
Analyze Illinois election results
Chart margins, vote shares, and swings for Illinoisand its counties — or line states up side by side. Free while we're in beta.