Presidential elections · 2000–2024
Delaware County, IA — Presidential Election Results (2000–2024)
In 2024, Delaware County, Iowa voted for Donald J. Trump (Republican) by R+39.5 — 2,978 Democratic to 6,984 Republican of 10,138 votes cast. From 2020 to 2024 it shifted 4.2 points toward Republicans. That makes it 26.3 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 Delaware County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,978 | 6,984 | 176 | 29.4% | 68.9% | R+39.5 |
| 2020 | 3,157 | 6,688 | 158 | 31.6% | 66.9% | R+35.3 |
| 2016 | 2,957 | 5,694 | 590 | 32.0% | 61.6% | R+29.6 |
| 2012 | 4,616 | 4,636 | 126 | 49.2% | 49.4% | R+0.2 |
| 2008 | 4,649 | 4,113 | 139 | 52.2% | 46.2% | D+6.0 |
| 2004 | 4,227 | 4,908 | 65 | 45.9% | 53.3% | R+7.4 |
| 2000 | 3,808 | 4,273 | 268 | 45.6% | 51.2% | R+5.6 |
Delaware County presidential elections — FAQ
Who carried Delaware County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Delaware County, Iowa in 2024 by R+39.5, with 10,138 votes cast. Data: MIT Election Data & Science Lab.
How did Delaware County shift between 2020 and 2024?+
Delaware County shifted 4.2 points toward Republicans between 2020 (R+35.3) and 2024 (R+39.5).
Is Delaware County more Democratic or Republican than Iowa overall?+
In 2024, Delaware County went R+39.5 while Iowa overall went R+13.2 — 26.3 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.