Seth Moulton
Democrat · MA-6 · U.S. House
MA-6 — U.S. House
Safe D 99%Seth Moulton is not among the listed candidates for this seat — the seat is still up in 2026, as every House seat is. Dan Koh vs. Micah Jones.
Bio
Seth Wilbur Moulton is an American politician and Marine Corps combat veteran who has been the U.S. representative for Massachusetts's 6th congressional district since 2015. A member of the Democratic Party, his district includes many of Boston's northern suburbs, such as Andover, Marblehead, Peabody, and his hometown of Salem.
Full bio on Wikipedia →Record of service
- In office
- 11.7 years
- First took office
- 2015 (6 terms)
- Seniority
- 137 of 439 by time served
- Age
- 47
- Salem, MA · 978-531-1669
Service history, offices and identifiers from unitedstates/congress-legislators (public domain). Years served sum each term rather than subtracting the first start date, so a break in service is not counted as time in office.
Reported net worth
- Assets
- $4.5M – $21.6M
- Liabilities
- $1.3M – $5.5M
- Net worth
- −$1.0M – $20.4M
- Since 2019
- +$9.5M
Largest holdings in the 2025 filing · 55 assets reported
Largest first, capped at 40 line items. Each is the asset's reported value bracket, not the income it produced.
From annual financial disclosures, which report every asset and debt as a bracket — so these are ranges, and the figure shown is their midpoint. A primary residence is not a reportable asset while its mortgage is a reportable debt, which pushes some members negative. How this is calculated →
Overall lean (DW-NOMINATE)
Issue profile
Each issue runs left ↔ right, scored from how the member voted on bills tagged to that issue (−1…+1). Issues with too few votes are blank. Overall lean uses DW-NOMINATE.
How they score against the parties
Seth Moulton's voting record compared with each party's national platform, issue by issue — the same similarity score used across the site.
On the political map
Seth Moulton (the large ringed dot) among every current member of Congress and the party platforms.
Each small dot is a current member (Dem · Rep); the larger dots are party platforms — click one for its closest members. Economic axis: taxes, healthcare, labor, energy. Social axis: abortion, guns, immigration, civil rights, crime.
Do you vote like Moulton?
Answer a few questions on the issues and see which members of Congress — and which party — actually line up with you.
Caucuses & committees
Where Moultonsits in Congress's own organization — each group's lean is computed from its members' voting records. Explore them all on the caucuses and committees pages.
Caucuses
- Congressional Equality Caucusstrongly left · 153 members
Committees
- House Committee on Armed Servicescenter · 57 members
- House Committee on Transportation and Infrastructurecenter · 67 members
Most and least aligned members
Treating Moulton's 14 issue scores as a vector, cosine similarity measures whether two voting records point the same way (+100%) or in opposite directions (−100%) — the colleagues whose records align most and least with theirs.
Recent notable votes
Latest news
Centrists Won’t Tell You Where “Moderating” on Trans Rights Ends UpIf the Democrats lose the upcoming midterm elections, our path out of competitive authoritarianism gets a lot longer, or disappears altogether. The political winds are at the Democrats’ backs, but the structure of our electoral system cuts against them. It co…
The New Republic · September 23, 2026
Transcript: How Purple-State Democrats Should Talk About Trans IssuesThis is a lightly edited transcript of the September 16 edition of Right Now With Perry Bacon. You can watch the video here or by following this show on YouTube or Substack.Perry Bacon: Good morning. I’m Perry Bacon. I’m the host of Right Now on The New Repub…
The New Republic · September 17, 2026- Federal court dismisses Trump DOJ’s lawsuit over ICE activity in NJ
US Representative Seth Moulton appears with New Jersey Gov. Mikie Sherrill at a roundtable discussion about veterans issues on August 19, 2026 The ruling comes after federal prosecutors filed a lawsuit in response to Gov. Mikie Sherill’s executive order ba…
Gothamist · September 5, 2026 
Democratic strategist on the new anti-partisan swing votersDemocrats in Massachusetts bucked a national trend and voted to back an incumbent in Congress. Sen. Ed Markey beat a primary challenge from Rep. Seth Moulton in a race that frequently focused on age and the party's direction. The results skew from a national …
Biztoc.com · September 2, 2026
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