Presidential elections · 2000–2024
Onondaga County, NY — Presidential Election Results (2000–2024)
In 2024, Onondaga County, New York voted for Kamala D. Harris (Democratic) by D+17.2 — 133,155 Democratic to 93,916 Republican of 228,381 votes cast. From 2020 to 2024 it shifted 3.3 points toward Republicans. That makes it 4.6 points more Democratic than New York overall (D+12.6).
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 Onondaga County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 133,155 | 93,916 | 1,310 | 58.3% | 41.1% | D+17.2 |
| 2020 | 138,894 | 90,619 | 6,173 | 58.9% | 38.4% | D+20.5 |
| 2016 | 112,337 | 83,649 | 12,454 | 53.9% | 40.1% | D+13.8 |
| 2012 | 117,470 | 69,357 | 17,890 | 57.4% | 33.9% | D+23.5 |
| 2008 | 129,317 | 84,972 | 3,905 | 59.3% | 38.9% | D+20.3 |
| 2004 | 112,618 | 88,123 | 13,848 | 52.5% | 41.1% | D+11.4 |
| 2000 | 109,896 | 83,678 | 10,055 | 54.0% | 41.1% | D+12.9 |
Onondaga County presidential elections — FAQ
Who carried Onondaga County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Onondaga County, New York in 2024 by D+17.2, with 228,381 votes cast. Data: MIT Election Data & Science Lab.
How did Onondaga County shift between 2020 and 2024?+
Onondaga County shifted 3.3 points toward Republicans between 2020 (D+20.5) and 2024 (D+17.2).
Is Onondaga County more Democratic or Republican than New York overall?+
In 2024, Onondaga County went D+17.2 while New York overall went D+12.6 — 4.6 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.