Presidential elections · 2000–2024
Clay County, IA — Presidential Election Results (2000–2024)
In 2024, Clay County, Iowa voted for Donald J. Trump (Republican) by R+43.1 — 2,367 Democratic to 6,047 Republican of 8,541 votes cast. From 2020 to 2024 it shifted 4.1 points toward Republicans. That makes it 29.9 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 Clay County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,367 | 6,047 | 127 | 27.7% | 70.8% | R+43.1 |
| 2020 | 2,662 | 6,158 | 149 | 29.7% | 68.7% | R+39.0 |
| 2016 | 2,249 | 5,877 | 491 | 26.1% | 68.2% | R+42.1 |
| 2012 | 3,385 | 4,951 | 166 | 39.8% | 58.2% | R+18.4 |
| 2008 | 3,925 | 4,355 | 118 | 46.7% | 51.9% | R+5.1 |
| 2004 | 3,547 | 4,898 | 143 | 41.3% | 57.0% | R+15.7 |
| 2000 | 3,294 | 3,992 | 292 | 43.5% | 52.7% | R+9.2 |
Clay County presidential elections — FAQ
Who carried Clay County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Clay County, Iowa in 2024 by R+43.1, with 8,541 votes cast. Data: MIT Election Data & Science Lab.
How did Clay County shift between 2020 and 2024?+
Clay County shifted 4.1 points toward Republicans between 2020 (R+39.0) and 2024 (R+43.1).
Is Clay County more Democratic or Republican than Iowa overall?+
In 2024, Clay County went R+43.1 while Iowa overall went R+13.2 — 29.9 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.