Presidential elections · 2000–2024
Warren County, OH — Presidential Election Results (2000–2024)
In 2024, Warren County, Ohio voted for Donald J. Trump (Republican) by R+31.5 — 47,128 Democratic to 91,132 Republican of 139,619 votes cast. From 2020 to 2024 it shifted 0.7 points toward Republicans. That makes it 20.3 points more Republican than Ohio overall (R+11.2).
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 Warren County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 47,128 | 91,132 | 1,359 | 33.8% | 65.3% | R+31.5 |
| 2020 | 46,069 | 87,988 | 2,043 | 33.8% | 64.6% | R+30.8 |
| 2016 | 33,730 | 77,643 | 5,894 | 28.8% | 66.2% | R+37.4 |
| 2012 | 32,909 | 76,561 | 1,534 | 29.6% | 69.0% | R+39.3 |
| 2008 | 33,398 | 71,691 | 1,127 | 31.4% | 67.5% | R+36.1 |
| 2004 | 26,043 | 68,035 | 341 | 27.6% | 72.1% | R+44.5 |
| 2000 | 19,142 | 48,318 | 1,618 | 27.7% | 69.9% | R+42.2 |
Warren County presidential elections — FAQ
Who carried Warren County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Warren County, Ohio in 2024 by R+31.5, with 139,619 votes cast. Data: MIT Election Data & Science Lab.
How did Warren County shift between 2020 and 2024?+
Warren County shifted 0.7 points toward Republicans between 2020 (R+30.8) and 2024 (R+31.5).
Is Warren County more Democratic or Republican than Ohio overall?+
In 2024, Warren County went R+31.5 while Ohio overall went R+11.2 — 20.3 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.