Presidential elections · 2000–2024
Hamilton County, OH — Presidential Election Results (2000–2024)
In 2024, Hamilton County, Ohio voted for Kamala D. Harris (Democratic) by D+14.9 — 233,360 Democratic to 172,365 Republican of 410,085 votes cast. From 2020 to 2024 it shifted 1.0 points toward Republicans. That makes it 26.1 points more Democratic 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 Hamilton County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 233,360 | 172,365 | 4,360 | 56.9% | 42.0% | D+14.9 |
| 2020 | 246,266 | 177,886 | 6,777 | 57.1% | 41.3% | D+15.9 |
| 2016 | 215,719 | 173,665 | 19,725 | 52.7% | 42.4% | D+10.3 |
| 2012 | 219,927 | 193,326 | 5,641 | 52.5% | 46.2% | D+6.4 |
| 2008 | 224,644 | 195,107 | 4,331 | 53.0% | 46.0% | D+7.0 |
| 2004 | 199,499 | 222,404 | 1,731 | 47.1% | 52.5% | R+5.4 |
| 2000 | 161,578 | 204,175 | 12,146 | 42.8% | 54.0% | R+11.3 |
Hamilton County presidential elections — FAQ
Who carried Hamilton County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Hamilton County, Ohio in 2024 by D+14.9, with 410,085 votes cast. Data: MIT Election Data & Science Lab.
How did Hamilton County shift between 2020 and 2024?+
Hamilton County shifted 1.0 points toward Republicans between 2020 (D+15.9) and 2024 (D+14.9).
Is Hamilton County more Democratic or Republican than Ohio overall?+
In 2024, Hamilton County went D+14.9 while Ohio overall went R+11.2 — 26.1 points more Democratic 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.