Presidential elections · 2000–2024
Henry County, IL — Presidential Election Results (2000–2024)
In 2024, Henry County, Illinois voted for Donald J. Trump (Republican) by R+24.4 — 9,226 Democratic to 15,359 Republican of 25,092 votes cast. From 2020 to 2024 it shifted 2.9 points toward Republicans. That makes it 35.3 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 Henry County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 9,226 | 15,359 | 507 | 36.8% | 61.2% | R+24.4 |
| 2020 | 9,797 | 15,300 | 538 | 38.2% | 59.7% | R+21.5 |
| 2016 | 8,871 | 13,985 | 1,787 | 36.0% | 56.8% | R+20.8 |
| 2012 | 12,332 | 11,583 | 407 | 50.7% | 47.6% | D+3.1 |
| 2008 | 13,181 | 11,263 | 341 | 53.2% | 45.4% | D+7.7 |
| 2004 | 11,877 | 13,212 | 152 | 47.1% | 52.3% | R+5.3 |
| 2000 | 11,921 | 10,896 | 653 | 50.8% | 46.4% | D+4.4 |
Henry County presidential elections — FAQ
Who carried Henry County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Henry County, Illinois in 2024 by R+24.4, with 25,092 votes cast. Data: MIT Election Data & Science Lab.
How did Henry County shift between 2020 and 2024?+
Henry County shifted 2.9 points toward Republicans between 2020 (R+21.5) and 2024 (R+24.4).
Is Henry County more Democratic or Republican than Illinois overall?+
In 2024, Henry County went R+24.4 while Illinois overall went D+10.9 — 35.3 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.