Presidential elections · 2000–2024
Peoria County, IL — Presidential Election Results (2000–2024)
In 2024, Peoria County, Illinois voted for Kamala D. Harris (Democratic) by D+4.6 — 40,564 Democratic to 36,896 Republican of 79,138 votes cast. From 2020 to 2024 it shifted 1.7 points toward Republicans. That makes it 6.3 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 Peoria County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 40,564 | 36,896 | 1,678 | 51.3% | 46.6% | D+4.6 |
| 2020 | 43,578 | 38,252 | 2,143 | 51.9% | 45.6% | D+6.3 |
| 2016 | 38,060 | 35,633 | 4,810 | 48.5% | 45.4% | D+3.1 |
| 2012 | 40,209 | 36,774 | 1,428 | 51.3% | 46.9% | D+4.4 |
| 2008 | 45,906 | 34,579 | 1,219 | 56.2% | 42.3% | D+13.9 |
| 2004 | 41,121 | 41,051 | 599 | 49.7% | 49.6% | D+0.1 |
| 2000 | 38,604 | 36,398 | 1,810 | 50.3% | 47.4% | D+2.9 |
Peoria County presidential elections — FAQ
Who carried Peoria County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Peoria County, Illinois in 2024 by D+4.6, with 79,138 votes cast. Data: MIT Election Data & Science Lab.
How did Peoria County shift between 2020 and 2024?+
Peoria County shifted 1.7 points toward Republicans between 2020 (D+6.3) and 2024 (D+4.6).
Is Peoria County more Democratic or Republican than Illinois overall?+
In 2024, Peoria County went D+4.6 while Illinois overall went D+10.9 — 6.3 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.