Presidential elections · 2000–2024
Lake County, IL — Presidential Election Results (2000–2024)
In 2024, Lake County, Illinois voted for Kamala D. Harris (Democratic) by D+20.7 — 184,642 Democratic to 120,402 Republican of 310,913 votes cast. From 2020 to 2024 it shifted 3.4 points toward Republicans. That makes it 9.8 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 Lake County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 184,642 | 120,402 | 5,869 | 59.4% | 38.7% | D+20.7 |
| 2020 | 204,032 | 123,594 | 6,551 | 61.1% | 37.0% | D+24.1 |
| 2016 | 171,095 | 109,767 | 22,658 | 56.4% | 36.2% | D+20.2 |
| 2012 | 153,757 | 129,764 | 3,972 | 53.5% | 45.1% | D+8.3 |
| 2008 | 177,242 | 118,545 | 3,318 | 59.3% | 39.6% | D+19.6 |
| 2004 | 134,352 | 139,081 | 1,862 | 48.8% | 50.5% | R+1.7 |
| 2000 | 115,058 | 120,988 | 6,118 | 47.5% | 50.0% | R+2.4 |
Lake County presidential elections — FAQ
Who carried Lake County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Lake County, Illinois in 2024 by D+20.7, with 310,913 votes cast. Data: MIT Election Data & Science Lab.
How did Lake County shift between 2020 and 2024?+
Lake County shifted 3.4 points toward Republicans between 2020 (D+24.1) and 2024 (D+20.7).
Is Lake County more Democratic or Republican than Illinois overall?+
In 2024, Lake County went D+20.7 while Illinois overall went D+10.9 — 9.8 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.