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Race · U.S. House · Massachusetts · 2026

Massachusetts District 5 · U.S. House · 2026

Seat U.S. House, Massachusetts District 5

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Race header

U.S. House, Massachusetts District 5 · Incumbent running
DEMNominee
Katherine M. Clark incumbent
—Hume Outlook held
IncumbentKatherine M. Clark

Hume Outlook · held

Checked 2026-10-28

Data availability

The Hume Outlook is not published for this race yet.

This race is unopposed, so no win probability is published.

Surface: Hume Outlook. Entity: Massachusetts District 5 U.S. House 2026. Checked: 2026-10-28.

About this data

Nothing below is the Hume Outlook (our win probability); these are the other reads on this race.

Latest poll Not available No public polls of this race in our data yet.
Seat lean (Hume PVI) D+23 as of cycle 2020
Prior result, this seat DEM 100.0% 2024 general · margin not in file

Side by side

1 candidates · 5 measures
FEC summary through 2026-10-14
MeasureDEMClark
Total receiptsUSD, cycle to date, all authorized committees
Katherine M. Clark$5,026,057.81
Total disbursementsUSD, cycle to date
Katherine M. Clark$5,122,400.51
Cash on handUSD, close of the covered period
Katherine M. Clark$1,229,548.01
Latest pollpercent, as stored
Katherine M. ClarkNot available No public polls of this race in our data yet.
Seat lean (Hume PVI)identical for every candidate
Katherine M. ClarkD+23seat-level
Money is each candidate's FEC summary: every committee the candidate has authorized, combined, as filed through the coverage date shown.

Polling

0 listed · newest first

Not available No public polls of this race in our data yet.

    Seat lean · Hume PVI

    as of cycle 2020
    D+23
    Lean (D minus R, points)
    +23.209

    Hume PVI is Hidden Levers' own two-party presidential-lean index for the district, computed on the district's current lines, not the Cook PVI.

    Prior result, this seat

    election returns

    2024 general

    CandidatePartyVotes% of total
    Katherine M. ClarkDEM286,689100.00%

    Total votes 286,689 · winning margin Not available of total

    Sources: FEC filings (through Oct 14, 2026) · Prior result: MIT Election Data + Science Lab (CC0) · Hume PVI and Hume Outlook: Hidden Levers estimates.

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