Presidential elections · 2000–2024
Butler County, IA — Presidential Election Results (2000–2024)
In 2024, Butler County, Iowa voted for Donald J. Trump (Republican) by R+45.2 — 2,144 Democratic to 5,784 Republican of 8,046 votes cast. From 2020 to 2024 it shifted 6.5 points toward Republicans. That makes it 32.0 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 Butler County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,144 | 5,784 | 118 | 26.6% | 71.9% | R+45.2 |
| 2020 | 2,424 | 5,556 | 118 | 29.9% | 68.6% | R+38.7 |
| 2016 | 2,157 | 4,921 | 435 | 28.7% | 65.5% | R+36.8 |
| 2012 | 3,329 | 4,106 | 110 | 44.1% | 54.4% | R+10.3 |
| 2008 | 3,364 | 3,700 | 102 | 46.9% | 51.6% | R+4.7 |
| 2004 | 3,001 | 4,417 | 57 | 40.1% | 59.1% | R+18.9 |
| 2000 | 2,735 | 3,837 | 152 | 40.7% | 57.1% | R+16.4 |
Butler County presidential elections — FAQ
Who carried Butler County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Butler County, Iowa in 2024 by R+45.2, with 8,046 votes cast. Data: MIT Election Data & Science Lab.
How did Butler County shift between 2020 and 2024?+
Butler County shifted 6.5 points toward Republicans between 2020 (R+38.7) and 2024 (R+45.2).
Is Butler County more Democratic or Republican than Iowa overall?+
In 2024, Butler County went R+45.2 while Iowa overall went R+13.2 — 32.0 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.