Presidential elections · 2000–2024
Miami County, OH — Presidential Election Results (2000–2024)
In 2024, Miami County, Ohio voted for Donald J. Trump (Republican) by R+45.1 — 15,969 Democratic to 42,677 Republican of 59,188 votes cast. From 2020 to 2024 it shifted 0.8 points toward Republicans. That makes it 33.9 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 Miami County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 15,969 | 42,677 | 542 | 27.0% | 72.1% | R+45.1 |
| 2020 | 15,663 | 41,371 | 938 | 27.0% | 71.4% | R+44.3 |
| 2016 | 13,120 | 37,079 | 2,535 | 24.9% | 70.3% | R+45.4 |
| 2012 | 16,383 | 34,606 | 947 | 31.5% | 66.6% | R+35.1 |
| 2008 | 18,372 | 33,417 | 1,018 | 34.8% | 63.3% | R+28.5 |
| 2004 | 17,611 | 34,005 | 164 | 34.0% | 65.7% | R+31.7 |
| 2000 | 15,584 | 26,037 | 1,220 | 36.4% | 60.8% | R+24.4 |
Miami County presidential elections — FAQ
Who carried Miami County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Miami County, Ohio in 2024 by R+45.1, with 59,188 votes cast. Data: MIT Election Data & Science Lab.
How did Miami County shift between 2020 and 2024?+
Miami County shifted 0.8 points toward Republicans between 2020 (R+44.3) and 2024 (R+45.1).
Is Miami County more Democratic or Republican than Ohio overall?+
In 2024, Miami County went R+45.1 while Ohio overall went R+11.2 — 33.9 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.