Presidential elections · 2000–2024
Suffolk County, MA — Presidential Election Results (2000–2024)
In 2024, Suffolk County, Massachusetts voted for Kamala D. Harris (Democratic) by D+52.1 — 222,280 Democratic to 66,480 Republican of 299,193 votes cast. From 2020 to 2024 it shifted 10.7 points toward Republicans. That makes it 26.9 points more Democratic than Massachusetts overall (D+25.2).
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 | 222,280 | 66,480 | 10,433 | 74.3% | 22.2% | D+52.1 |
| 2020 | 270,522 | 58,613 | 8,105 | 80.2% | 17.4% | D+62.8 |
| 2016 | 245,751 | 50,421 | 12,569 | 79.6% | 16.3% | D+63.3 |
| 2012 | 223,896 | 59,999 | 5,203 | 77.4% | 20.8% | D+56.7 |
| 2008 | 207,127 | 57,194 | 4,900 | 76.9% | 21.2% | D+55.7 |
| 2004 | 182,592 | 54,923 | 3,130 | 75.9% | 22.8% | D+53.1 |
| 2000 | 154,888 | 44,441 | 17,671 | 71.4% | 20.5% | D+50.9 |
Suffolk County presidential elections — FAQ
Who carried Suffolk County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Suffolk County, Massachusetts in 2024 by D+52.1, with 299,193 votes cast. Data: MIT Election Data & Science Lab.
How did Suffolk County shift between 2020 and 2024?+
Suffolk County shifted 10.7 points toward Republicans between 2020 (D+62.8) and 2024 (D+52.1).
Is Suffolk County more Democratic or Republican than Massachusetts overall?+
In 2024, Suffolk County went D+52.1 while Massachusetts overall went D+25.2 — 26.9 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.