Presidential elections · 2000–2024
Washington County, IL — Presidential Election Results (2000–2024)
In 2024, Washington County, Illinois voted for Donald J. Trump (Republican) by R+57.2 — 1,564 Democratic to 5,892 Republican of 7,562 votes cast. From 2020 to 2024 it shifted 0.6 points toward Republicans. That makes it 68.1 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 Washington County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 1,564 | 5,892 | 106 | 20.7% | 77.9% | R+57.2 |
| 2020 | 1,641 | 6,115 | 146 | 20.8% | 77.4% | R+56.6 |
| 2016 | 1,448 | 5,571 | 408 | 19.5% | 75.0% | R+55.5 |
| 2012 | 2,450 | 4,792 | 163 | 33.1% | 64.7% | R+31.6 |
| 2008 | 3,342 | 4,473 | 117 | 42.1% | 56.4% | R+14.3 |
| 2004 | 2,986 | 5,072 | 46 | 36.8% | 62.6% | R+25.7 |
| 2000 | 2,638 | 4,353 | 147 | 37.0% | 61.0% | R+24.0 |
Washington County presidential elections — FAQ
Who carried Washington County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Washington County, Illinois in 2024 by R+57.2, with 7,562 votes cast. Data: MIT Election Data & Science Lab.
How did Washington County shift between 2020 and 2024?+
Washington County shifted 0.6 points toward Republicans between 2020 (R+56.6) and 2024 (R+57.2).
Is Washington County more Democratic or Republican than Illinois overall?+
In 2024, Washington County went R+57.2 while Illinois overall went D+10.9 — 68.1 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.