Elections · U.S. House · Massachusetts
2026 Massachusetts House race, District 4
Jake Auchincloss (Democrat) and Tom Stalcup (Republican) are on the November 3, 2026 ballot for U.S. House in Massachusetts District 4, as recorded September 22, 2026 from the Secretary of the Commonwealth, Elections Division.
The November ballot
Raised so far, filed with the FEC
Official candidate list: Secretary of the Commonwealth, Elections Division. Not a prediction.
The seat
Jake Auchincloss
Democrat · Holds the seat now
First took office 2021 · Age 38
From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.
How to vote in Massachusetts
- General electionNovember 3, 2026
Register 10 days before the election.

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How they won the primary
The primary · 91,620 votes
- Jake Auchincloss Won: 73.1% 66,952
- Jason Poulos: 26.8% 24,524
The total includes 144 write-in or scattered votes not listed by candidate.
The primary · 22,030 votes
- Tom Stalcup Won: 99.4% 21,905
The total includes 125 write-in or scattered votes not listed by candidate.
Primary results as recorded October 12, 2026, ordered by votes. Source: Massachusetts Secretary of the Commonwealth primary results database. A primary result is a recorded fact about a past contest, not a prediction of November.
The money on this race
- Raised by candidates
- $3.7M
- Outside money
- $190K
Outside money, for and against
Independent expenditures; direction is each filer's own declared filing.
Where each candidate's money comes from
Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.
Who is spending on this race
The largest group spending independently here, ranked; open a row for whose race the money went into.
Independent expenditures reported to the FEC; direction is each group's own declared filing.
Not on the November ballot
5 filedPrimary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.
The district
Census context- People
- 787K
- Median household income
- $116K
- Unemployment
- 4.8%
- Living below the poverty line
- 7.8%
- Without health insurance
- 2.4%
U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.
How this seat voted last time
Unopposed in 2024
- Jake Auchincloss Won: 97.2%
297,725 votes for candidates. The other 2.8% is write-in and scattered votes, counted in that total. A past result is a filed fact, not a prediction of November.
Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.
Candidates and financing from the FEC, public domain. Candidate totals are each campaign's latest FEC report, ending between August 12, 2026 and September 30, 2026. Outside money is the FEC's processed total of independent expenditures plus the 24- and 48-hour reports filed since each group's latest regular report. It covers this two-year cycle, the same as the candidate totals. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.