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Elections · U.S. House · Massachusetts

Massachusetts House race, District 5

Katherine Clark holds this seat. Each party still has to pick its nominee in the primary on September 1, 2026 before the November ballot is set.

The primaries

Republican primary0 filed

No Republican has filed a campaign with the FEC for this seat yet.

1 other candidate is on file outside the two major-party primaries.

Each party picks its nominee in the primary. Order is neutral; the bar is money filed with the FEC, not a prediction of who wins.

The seat

Katherine Clark

Democrat · Holds the seat now

431
Trades disclosed
$6.5M
Estimated volume
Has not cosponsored a bill that would ban it

From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.

See their record
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The money on this race

Raised by candidates
$4.6M
Outside money
$1.4K

How to vote in Massachusetts

  • PrimarySeptember 1, 2026In 4 days
  • General electionNovember 3, 2026In 10 weeks

Register 10 days before the election.

All dates and rules

Who is spending on this race

The 2 groups 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.

How this seat voted last time

Unopposed in 2024

  • Katherine M. ClarkWon98.2%

291,890 votes for candidates. The other 1.8% 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.

The district

Census context
People
779K
Median household income
$131K
Unemployment
4.5%
Living below the poverty line
7.7%
Without health insurance
2.6%

U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.

More on the Massachusetts ballot9 House races statewideMassachusetts Senate raceFind your races by ZIP →

Candidates and financing from the FEC, public domain; money figures carry their own coverage dates. Dataset built 2026-08-27. Nothing here is a forecast, a grade, or a ranking of candidates.