Seth Moulton
U.S. Representative, Massachusetts 6th Congressional District · Democrat
Lost the 2026 primary
Ballot status source: Lost the 2026 Democratic primary on September 1, 2026 — Massachusetts Secretary of the Commonwealth — 2026 State Primary · read Sep 1, 2026
Sources (2)
- Lost the 2026 Democratic primary on September 1, 2026 — Massachusetts Secretary of the Commonwealth — 2026 State Primary (September 1, 2026) official results, electionstats.state.: U.S. Senate Democratic Primary — 'Seth W. Moulton' 314,198
- nominee 'Edward J. Markey' 580,628
Results
Certified results for Massachusetts U.S. Senate
U.S. Senate
2024 State Election · Nov 5, 2024| Candidate | Party | Votes | Share |
|---|---|---|---|
| Elizabeth Ann WarrenDemocrat | Democrat | 2,041,668 | 59.8% |
| John DeatonRepublican | Republican | 1,365,440 | 40.0% |
| All Others | 6,221 | 0.2% |
Certified — Massachusetts Secretary of the Commonwealth, PD43+ election statistics · Massachusetts Secretary of the Commonwealth — PD43+ contest downloads by…
U.S. Senate
2020 State Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Edward J. MarkeyDemocrat | Democrat | 2,357,809 | 66.2% |
| Kevin J. O'ConnorRepublican | Republican | 1,177,765 | 33.0% |
| Shiva AyyaduraiRepublican | Republican | 21,134 | 0.6% |
| All Others | 7,428 | 0.2% |
Certified — Massachusetts Secretary of the Commonwealth, PD43+ election statistics · Massachusetts Secretary of the Commonwealth — PD43+ contest downloads by…
Polls
Public polls
Emerson College PollingDemocratic primary · U.S. Senate
Ed Markey 60% · Seth Moulton 33% · Undecided 7%
Aug 28, 2026 to Aug 29, 2026 · 550 LV · ±4.1 pts · online (MMS text-to-web/panel) · Emerson College Polling
University of Massachusetts Amherst Poll for WCVBDemocratic primary · U.S. Senate
Ed Markey 60% · Seth Moulton 32% · Undecided 7%
Aug 5, 2026 to Aug 12, 2026 · 445 LV · UMass Amherst
UMass Amherst/WCVB Poll for WCVB-TVGeneral election · U.S. Senate
Edward J. Markey 51% · John Deaton 30% · Would not Vote 3% · Not Sure 15%
Aug 5, 2026 to Aug 12, 2026 · 800 RV · ±4.4 pts · online · UMass Amherst/WCVB Poll
Released public polls of this race, as each pollster reported them. A poll is a snapshot, not a forecast.
The 2026 Field
Who else is running for Massachusetts U.S. Senate
- Edward J. MarkeyDemocrat · Incumbent · On the 2026 ballot
- Shiva AyyaduraiIndependent · On the 2026 ballot
- John DeatonRepublican · On the 2026 ballot
- Joseph TacheIndependent · On the 2026 ballot
Not on file for Seth yet: Key Votes, Their Money, Advertising, In Their Words, In the News, Reach Them, The Paper Trail. Coverage varies by state and office.
File read Sep 25, 2026. Each item names its source. Record ID p_3zq344zww.
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