Presidential elections · 2000–2024
Boone County, IL — Presidential Election Results (2000–2024)
In 2024, Boone County, Illinois voted for Donald J. Trump (Republican) by R+14.5 — 10,159 Democratic to 13,673 Republican of 24,256 votes cast. From 2020 to 2024 it shifted 1.1 points toward Republicans. That makes it 25.4 points more Republican than Illinois overall (D+10.9).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Boone County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 10,159 | 13,673 | 424 | 41.9% | 56.4% | R+14.5 |
| 2020 | 10,542 | 13,883 | 554 | 42.2% | 55.6% | R+13.4 |
| 2016 | 8,986 | 12,282 | 1,733 | 39.1% | 53.4% | R+14.3 |
| 2012 | 9,883 | 11,096 | 386 | 46.3% | 51.9% | R+5.7 |
| 2008 | 11,333 | 10,403 | 421 | 51.1% | 47.0% | D+4.2 |
| 2004 | 8,286 | 11,132 | 123 | 42.4% | 57.0% | R+14.6 |
| 2000 | 6,481 | 8,617 | 425 | 41.8% | 55.5% | R+13.8 |
Boone County presidential elections — FAQ
Who carried Boone County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Boone County, Illinois in 2024 by R+14.5, with 24,256 votes cast. Data: MIT Election Data & Science Lab.
How did Boone County shift between 2020 and 2024?+
Boone County shifted 1.1 points toward Republicans between 2020 (R+13.4) and 2024 (R+14.5).
Is Boone County more Democratic or Republican than Illinois overall?+
In 2024, Boone County went R+14.5 while Illinois overall went D+10.9 — 25.4 points more Republican than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.