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Massachusetts's 3rd Congressional District
Presidential Election Results: –
MA-03 (Massachusetts) voted D+18.9 for Kamala Harris in 2024, with Harris receiving 208,626 votes (58.13%). This represented a R+8.5% swing toward Republicans compared to 2020.
Interactive map with district profile in split-screen view
Top reported ancestry groups (compared to national average).
MA-03 • 2008–2024
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 58.1%(208,626) | 39.3%(140,854) | D+18.9 | R+8.5% |
| 2020 | 62.7%(233,536) | 35.3%(131,375) | D+27.4 | D+6.1% |
| 2016 | 56.7%(195,231) | 35.4%(121,845) | D+21.3 | D+5.7% |
| 2012 | 57.8%(185,780) | 42.2%(135,533) | D+15.6 | R+3.5% |
| 2008 | 58.6%(181,972) | 39.5%(122,671) | D+19.1 | 0% |
| Year | Winner | Democrat | Republican | Other | Margin | Swing |
|---|---|---|---|---|---|---|
| 2024 | Lori TrahanInc | 97.5%(264,698) | — | — | — | 0.0 |
| 2022 | Lori TrahanInc | 61.5%(154,496) | 35.2%(88,585) | — | D+26.2 | 0.0 |
Source: Official state election returns via FEC and state Secretaries of State