Presidential elections · 2000–2024
Polk County, IA — Presidential Election Results (2000–2024)
In 2024, Polk County, Iowa voted for Kamala D. Harris (Democratic) by D+10.8 — 140,075 Democratic to 112,240 Republican of 256,838 votes cast. From 2020 to 2024 it shifted 4.2 points toward Republicans. That makes it 24.0 points more Democratic 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 Polk County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 140,075 | 112,240 | 4,523 | 54.5% | 43.7% | D+10.8 |
| 2020 | 146,250 | 107,564 | 4,941 | 56.5% | 41.6% | D+15.0 |
| 2016 | 119,804 | 93,492 | 18,259 | 51.7% | 40.4% | D+11.4 |
| 2012 | 128,465 | 96,096 | 4,321 | 56.1% | 42.0% | D+14.1 |
| 2008 | 120,984 | 89,668 | 3,734 | 56.4% | 41.8% | D+14.6 |
| 2004 | 105,218 | 95,828 | 1,572 | 51.9% | 47.3% | D+4.6 |
| 2000 | 89,715 | 79,927 | 4,525 | 51.5% | 45.9% | D+5.6 |
Polk County presidential elections — FAQ
Who carried Polk County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Polk County, Iowa in 2024 by D+10.8, with 256,838 votes cast. Data: MIT Election Data & Science Lab.
How did Polk County shift between 2020 and 2024?+
Polk County shifted 4.2 points toward Republicans between 2020 (D+15.0) and 2024 (D+10.8).
Is Polk County more Democratic or Republican than Iowa overall?+
In 2024, Polk County went D+10.8 while Iowa overall went R+13.2 — 24.0 points more Democratic 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.