Presidential elections · 2000–2024
Mahaska County, IA — Presidential Election Results (2000–2024)
In 2024, Mahaska County, Iowa voted for Donald J. Trump (Republican) by R+51.4 — 2,577 Democratic to 8,207 Republican of 10,946 votes cast. From 2020 to 2024 it shifted 3.8 points toward Republicans. That makes it 38.2 points more Republican than Iowa overall (R+13.2).
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 Mahaska County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,577 | 8,207 | 162 | 23.5% | 75.0% | R+51.4 |
| 2020 | 2,894 | 8,320 | 190 | 25.4% | 73.0% | R+47.6 |
| 2016 | 2,619 | 7,432 | 581 | 24.6% | 69.9% | R+45.3 |
| 2012 | 4,213 | 6,448 | 222 | 38.7% | 59.2% | R+20.5 |
| 2008 | 4,464 | 6,271 | 197 | 40.8% | 57.4% | R+16.5 |
| 2004 | 3,790 | 6,858 | 80 | 35.3% | 63.9% | R+28.6 |
| 2000 | 3,370 | 5,971 | 202 | 35.3% | 62.6% | R+27.3 |
Mahaska County presidential elections — FAQ
Who carried Mahaska County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Mahaska County, Iowa in 2024 by R+51.4, with 10,946 votes cast. Data: MIT Election Data & Science Lab.
How did Mahaska County shift between 2020 and 2024?+
Mahaska County shifted 3.8 points toward Republicans between 2020 (R+47.6) and 2024 (R+51.4).
Is Mahaska County more Democratic or Republican than Iowa overall?+
In 2024, Mahaska County went R+51.4 while Iowa overall went R+13.2 — 38.2 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.