Presidential elections · 2000–2024
DuPage County, IL — Presidential Election Results (2000–2024)
In 2024, DuPage County, Illinois voted for Kamala D. Harris (Democratic) by D+13.1 — 251,164 Democratic to 191,243 Republican of 456,882 votes cast. From 2020 to 2024 it shifted 5.0 points toward Republicans. That makes it 2.2 points more Democratic than Illinois overall (D+10.9).
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 DuPage County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 251,164 | 191,243 | 14,475 | 55.0% | 41.9% | D+13.1 |
| 2020 | 281,222 | 193,611 | 10,271 | 58.0% | 39.9% | D+18.1 |
| 2016 | 228,622 | 166,415 | 33,732 | 53.3% | 38.8% | D+14.5 |
| 2012 | 199,460 | 195,046 | 6,573 | 49.7% | 48.6% | D+1.1 |
| 2008 | 228,698 | 183,626 | 5,649 | 54.7% | 43.9% | D+10.8 |
| 2004 | 180,097 | 218,902 | 3,447 | 44.8% | 54.4% | R+9.6 |
| 2000 | 152,550 | 201,037 | 10,775 | 41.9% | 55.2% | R+13.3 |
DuPage County presidential elections — FAQ
Who carried DuPage County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried DuPage County, Illinois in 2024 by D+13.1, with 456,882 votes cast. Data: MIT Election Data & Science Lab.
How did DuPage County shift between 2020 and 2024?+
DuPage County shifted 5.0 points toward Republicans between 2020 (D+18.1) and 2024 (D+13.1).
Is DuPage County more Democratic or Republican than Illinois overall?+
In 2024, DuPage County went D+13.1 while Illinois overall went D+10.9 — 2.2 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.