The Politibase

KC

Katherine Clark

Democrat U.S. House · District 5 Massachusetts Incumbent
Primary  Sep 1, 2026 (8 weeks ago)
General  Nov 3, 2026
👤 About Katherine Clark
Katherine Clark is a Democratic incumbent for U.S. House, District 5 in Massachusetts’s 2026 federal election cycle. The campaign committee, KATHERINE CLARK FOR CONGRESS, is registered in WASHINGTON, DC, with ZAMORE, JUDITH listed as treasurer. Through the most recent FEC filings, the campaign has reported $5.0M raised, $5.1M spent, and $1.2M in cash on hand. Contributions break down as $1.3M from individuals and $2.1M from PACs and party committees. 1 opponent has also filed in the 2026 race.
Bio auto-generated from candidate filings.
🔗 Where to learn more
💰 Campaign finance
Raised$5.0M
Cash on hand$1.2M
Per FEC reports, 2026 cycle
🏁 The race for U.S. House · District 5
KC
Katherine Clark (incumbent) VIEWING
Democrat · $5.0M raised
TS
Tarik Samman
Democrat · $44K raised
View →
2 candidates have filed with the FEC for this race.
Detailed Campaign Finance
More detail available because this candidate has substantial FEC filings.
NONPARTISAN · SOURCED FROM CONGRESS.GOV, OPENFEC, SENATE & HOUSE CLERKS · UPDATED REGULARLY

Elections 2026 › Massachusetts › Katherine Clark
2026 candidate profile
KC

Katherine Clark

Democrat · Incumbent
Running for: U.S. House, Massachusetts 5th district
$5.0M
Total raised
—
Cash on hand
—
Spent
I
FEC status

Biography

Katherine Clark is a Democratic incumbent for U.S. House, District 5 in Massachusetts’s 2026 federal election cycle. The campaign committee, KATHERINE CLARK FOR CONGRESS, is registered in WASHINGTON, DC, with ZAMORE, JUDITH listed as treasurer. Through the most recent FEC filings, the campaign has reported $5.0M raised, $5.1M spent, and $1.2M in cash on hand. Contributions break down as $1.3M from individuals and $2.1M from PACs and party committees. 1 opponent has also filed in the 2026 race.

Compiled from public FEC filings and race data. A detailed profile is being expanded.

Congressional record

Katherine Clark currently holds this seat.

View full record & voting history →

FEC filing

FEC IDH4MA05084
OfficeU.S. House, Massachusetts 5th district
PartyDemocrat

Also running for this seat

One other candidate has filed. Ordered by total raised, which is a filed figure and not a ranking.

See the full race

View every candidate, all fundraising totals, and the primary results for the U.S. House, Massachusetts 5th district race.

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🗳 2026 Election

U.S. House — Massachusetts District 05

Full Race →
Primary: Sep 1, 2026 (8 weeks ago)  ·  General: November 3, 2026

Other Candidates in This Race (1)

TS
Tarik Samman
D$44K raised
← All 2026 Elections  ·  All Massachusetts races →