Presidential elections · 2000–2024
DeKalb County, IL — Presidential Election Results (2000–2024)
In 2024, DeKalb County, Illinois voted for Kamala D. Harris (Democratic) by D+2.0 — 23,648 Democratic to 22,716 Republican of 47,401 votes cast. From 2020 to 2024 it shifted 3.7 points toward Republicans. That makes it 8.9 points more Republican 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 DeKalb County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 23,648 | 22,716 | 1,037 | 49.9% | 47.9% | D+2.0 |
| 2020 | 24,643 | 21,905 | 1,277 | 51.5% | 45.8% | D+5.7 |
| 2016 | 20,466 | 19,091 | 4,043 | 46.9% | 43.8% | D+3.2 |
| 2012 | 21,207 | 18,934 | 951 | 51.6% | 46.1% | D+5.5 |
| 2008 | 25,784 | 18,266 | 768 | 57.5% | 40.8% | D+16.8 |
| 2004 | 19,263 | 21,095 | 410 | 47.3% | 51.7% | R+4.5 |
| 2000 | 14,798 | 17,139 | 1,296 | 44.5% | 51.6% | R+7.0 |
DeKalb County presidential elections — FAQ
Who carried DeKalb County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried DeKalb County, Illinois in 2024 by D+2.0, with 47,401 votes cast. Data: MIT Election Data & Science Lab.
How did DeKalb County shift between 2020 and 2024?+
DeKalb County shifted 3.7 points toward Republicans between 2020 (D+5.7) and 2024 (D+2.0).
Is DeKalb County more Democratic or Republican than Illinois overall?+
In 2024, DeKalb County went D+2.0 while Illinois overall went D+10.9 — 8.9 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.