Presidential elections · 2000–2024
Jersey County, IL — Presidential Election Results (2000–2024)
In 2024, Jersey County, Illinois voted for Donald J. Trump (Republican) by R+50.2 — 2,816 Democratic to 8,684 Republican of 11,694 votes cast. From 2020 to 2024 it shifted 2.0 points toward Republicans. That makes it 61.1 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 Jersey County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,816 | 8,684 | 194 | 24.1% | 74.3% | R+50.2 |
| 2020 | 2,961 | 8,712 | 264 | 24.8% | 73.0% | R+48.2 |
| 2016 | 2,679 | 7,748 | 564 | 24.4% | 70.5% | R+46.1 |
| 2012 | 3,667 | 6,039 | 253 | 36.8% | 60.6% | R+23.8 |
| 2008 | 5,042 | 5,329 | 212 | 47.6% | 50.4% | R+2.7 |
| 2004 | 4,597 | 5,435 | 105 | 45.3% | 53.6% | R+8.3 |
| 2000 | 4,355 | 4,699 | 359 | 46.3% | 49.9% | R+3.7 |
Jersey County presidential elections — FAQ
Who carried Jersey County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Jersey County, Illinois in 2024 by R+50.2, with 11,694 votes cast. Data: MIT Election Data & Science Lab.
How did Jersey County shift between 2020 and 2024?+
Jersey County shifted 2.0 points toward Republicans between 2020 (R+48.2) and 2024 (R+50.2).
Is Jersey County more Democratic or Republican than Illinois overall?+
In 2024, Jersey County went R+50.2 while Illinois overall went D+10.9 — 61.1 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.