United States presidential elections in Illinois
| Number of elections | 51 |
|---|---|
| Voted Democratic | 26 |
| Voted Republican | 24 |
| Voted Democratic-Republican | 2 |
| Voted other | 0 |
| Voted for winning candidate | 42 |
| Voted for losing candidate | 10 |
Following is a table of United States presidential elections in Illinois, ordered by year. Since its admission to statehood in 1818, Illinois has participated in every U.S. presidential election.
From 1896 to 1996, Illinois was a bellwether state, voting for the winner of the presidential election 24 of 26 times, the exceptions being 1916 and 1976. Since 1992, Illinois has consistently backed Democratic candidates.
Winners of the state are in bold. The shading refers to the state winner, and not the national winner.