Presidential elections · 2000–2024
Plymouth County, IA — Presidential Election Results (2000–2024)
In 2024, Plymouth County, Iowa voted for Donald J. Trump (Republican) by R+54.1 — 3,104 Democratic to 10,661 Republican of 13,971 votes cast. From 2020 to 2024 it shifted 4.6 points toward Republicans. That makes it 40.9 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 Plymouth County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 3,104 | 10,661 | 206 | 22.2% | 76.3% | R+54.1 |
| 2020 | 3,494 | 10,515 | 179 | 24.6% | 74.1% | R+49.5 |
| 2016 | 2,885 | 9,680 | 625 | 21.9% | 73.4% | R+51.5 |
| 2012 | 4,164 | 8,597 | 189 | 32.2% | 66.4% | R+34.2 |
| 2008 | 4,629 | 7,765 | 118 | 37.0% | 62.1% | R+25.1 |
| 2004 | 4,278 | 7,810 | 134 | 35.0% | 63.9% | R+28.9 |
| 2000 | 3,499 | 6,189 | 430 | 34.6% | 61.2% | R+26.6 |
Plymouth County presidential elections — FAQ
Who carried Plymouth County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Plymouth County, Iowa in 2024 by R+54.1, with 13,971 votes cast. Data: MIT Election Data & Science Lab.
How did Plymouth County shift between 2020 and 2024?+
Plymouth County shifted 4.6 points toward Republicans between 2020 (R+49.5) and 2024 (R+54.1).
Is Plymouth County more Democratic or Republican than Iowa overall?+
In 2024, Plymouth County went R+54.1 while Iowa overall went R+13.2 — 40.9 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.