Presidential elections · 2000–2024
Suffolk County, NY — Presidential Election Results (2000–2024)
In 2024, Suffolk County, New York voted for Donald J. Trump (Republican) by R+9.9 — 341,812 Democratic to 417,549 Republican of 762,849 votes cast. From 2020 to 2024 it shifted 8.9 points toward Republicans. That makes it 22.5 points more Republican 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 Suffolk County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 341,812 | 417,549 | 3,488 | 44.8% | 54.7% | R+9.9 |
| 2020 | 368,000 | 375,821 | 14,056 | 48.6% | 49.6% | R+1.0 |
| 2016 | 303,951 | 350,570 | 26,733 | 44.6% | 51.5% | R+6.8 |
| 2012 | 287,519 | 243,258 | 55,481 | 49.0% | 41.5% | D+7.5 |
| 2008 | 346,379 | 306,815 | 5,833 | 52.6% | 46.6% | D+6.0 |
| 2004 | 307,011 | 292,186 | 39,515 | 48.1% | 45.7% | D+2.3 |
| 2000 | 306,306 | 240,992 | 26,568 | 53.4% | 42.0% | D+11.4 |
Suffolk County presidential elections — FAQ
Who carried Suffolk County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Suffolk County, New York in 2024 by R+9.9, with 762,849 votes cast. Data: MIT Election Data & Science Lab.
How did Suffolk County shift between 2020 and 2024?+
Suffolk County shifted 8.9 points toward Republicans between 2020 (R+1.0) and 2024 (R+9.9).
Is Suffolk County more Democratic or Republican than New York overall?+
In 2024, Suffolk County went R+9.9 while New York overall went D+12.6 — 22.5 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.