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U.S. Representative · Massachusetts 6th District
Seth Moulton
DemocratDistrict D+11119th CongressOn the ballot 2026
Typical swing score51#147 of 433 representatives across tracked bills
Contact Seth Moulton’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office1126 Longworth House Office Building Washington DC 20515-2106
Model
Directional: count only breaks toward the other partyWhy do scores change?v3default (selected)v2 model swing-v2
Signals to watch
What in this member’s district, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.Could pull them toward Republicans · 2 signals
- StrongBacks 15 Republican-led tracked billsSponsor or active cosponsor of 15 of the 865 tracked bills that were introduced by Republicans: H.R. 452, H.R. 530, H.R. 842, H.R. 859, H.R. 909 and 10 more.
- Sponsored or cosponsored: H.R. 452 Miracle on Ice Congressional Gold Medal Act
- Sponsored or cosponsored: H.R. 530 ACES Act
- Sponsored or cosponsored: H.R. 842 Nancy Gardner Sewell Medicare Multi-Cancer Early Detection Screening Coverage Act
Show all 10
- Sponsored or cosponsored: H.R. 859 Informing Consumers about Smart Devices Act
- Sponsored or cosponsored: H.R. 909 Crime Victims Fund Stabilization Act of 2025
- Sponsored or cosponsored:
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2025 – January 3, 2027
- Next election
- November 3, 2026
- Years in office
- 11.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- House Committee on Armed ServicesMinority · 5th in seniority
- Subcommittee on Strategic ForcesRanking Member
- Subcommittee on Cyber, Information Technologies, and Innovation
- House Committee on Transportation and InfrastructureMinority · 17th in seniority
- Subcommittee on Highways and Transit
- Subcommittee on Railroads, Pipelines, and Hazardous Materials
Voting ideology
first dimension, from VoteviewD median
R median
Moulton← More liberal (−1)More conservative (+1) →
Their score of -0.286 is 0.11 to the right of the House Democratic median (-0.393).
Advocacy scorecards
Their rating vs. the House Democratic average- 119th Congress0House Democratic average: 1 (n=210)
Swing score by bill
swing-v3 · a bill marks a member as committed to itShowing 1–50 of 858 tracked bills, best swing first
| Bill | Their role | Swing score · | ||
|---|---|---|---|---|
| H.R. 3352HALOS Act of 2025Summary on Congress.gov | No position yetNow in the Senate | No recorded vote | 66
| Middle |
| H.R. 4429 |