Presidential elections · 2000–2024
Stephenson County, IL — Presidential Election Results (2000–2024)
In 2024, Stephenson County, Illinois voted for Donald J. Trump (Republican) by R+19.4 — 8,278 Democratic to 12,347 Republican of 20,995 votes cast. From 2020 to 2024 it shifted 3.7 points toward Republicans. That makes it 30.3 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 Stephenson County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 8,278 | 12,347 | 370 | 39.4% | 58.8% | R+19.4 |
| 2020 | 9,055 | 12,521 | 472 | 41.1% | 56.8% | R+15.7 |
| 2016 | 7,768 | 11,083 | 1,492 | 38.2% | 54.5% | R+16.3 |
| 2012 | 10,165 | 10,512 | 378 | 48.3% | 49.9% | R+1.6 |
| 2008 | 11,349 | 9,909 | 347 | 52.5% | 45.9% | D+6.7 |
| 2004 | 8,913 | 12,212 | 195 | 41.8% | 57.3% | R+15.5 |
| 2000 | 8,062 | 10,715 | 601 | 41.6% | 55.3% | R+13.7 |
Stephenson County presidential elections — FAQ
Who carried Stephenson County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Stephenson County, Illinois in 2024 by R+19.4, with 20,995 votes cast. Data: MIT Election Data & Science Lab.
How did Stephenson County shift between 2020 and 2024?+
Stephenson County shifted 3.7 points toward Republicans between 2020 (R+15.7) and 2024 (R+19.4).
Is Stephenson County more Democratic or Republican than Illinois overall?+
In 2024, Stephenson County went R+19.4 while Illinois overall went D+10.9 — 30.3 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.