Representative · Massachusetts's 5th district

Katherine M. Clark

Katherine M. Clark is a Democratic representative for Massachusetts's 5th district, in Congress since 2013. In the 119th Congress, 675 roll calls were held while they served; they missed 0, and cast 465 of 469 party-unity votes with the majority of their caucus.

Party: Democrat
Chamber: House; Current
In Congress since: Dec 12, 2013
Term ends: Jan 3, 2027

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Photo: Government Publishing Office (public domain)

Record by Congress

Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.

Congress	Roll calls	Missed	Votes with party	Sponsored	Cosponsored across the aisle
119th CongressHouse of Representatives	675	0.0%0 of 675 · rank 413 of 439	99%465 of 469 · rank 116 of 439	30 became law	0%0 of 31
118th CongressHouse of Representatives	1,222	0.0%0 of 1,222 · rank 439 of 442	99%847 of 852 · rank 28 of 442	60 became law	8%4 of 49
117th CongressHouse of Representatives	997	0.5%5 of 997 · rank 318 of 443	100%570 of 570 · rank 1 of 443	140 became law	2%6 of 279

Ideology (DW-NOMINATE)

Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 119th Congress (House), with each party's median and the chamber's range.

Liberal −1−0.48+1 Conservative

Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/

Votes against their party

The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.

H.R. 5625: Cashless Bail Reporting ActYea
May 14, 2026· House· Passage· On Passage· Passed 308–116· Against party
H.R. 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure under that Act, and for other purposes.Yea
May 13, 2026· House· Passage· On Passage· Passed 218–203· Against party
H.Con.Res. 58: Denouncing the horrors of socialism.Yea
Nov 21, 2025· House· Passage· On Agreeing to the Resolution· Passed 285–98· Against party
S. 1582: GENIUS ActYea
Jul 17, 2025· House· Passage· On Passage· Passed 308–122· Against party
H.R. 4763: Financial Innovation and Technology for the 21st Century ActYea
May 22, 2024· House· Passage· On Passage· Passed 279–136· Against party
H.R. 7888: Reforming Intelligence and Securing America ActYea
Apr 12, 2024· House· Amendments· On Agreeing to the Amendment· Agreed to 269–153· Against party
H.R. 2799: Expanding Access to Capital Act of 2023Yea
Mar 7, 2024· House· Amendments· On Agreeing to the Amendment· Agreed to 269–153· Against party
H.R. 1338: SAT Streamlining ActYea
Jul 25, 2023· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Failed 250–163· Against party

Recent votes

The latest roll calls on bills and amendments, with the member's recorded position.

S. 2403: Retire through Ownership ActYea
Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass· Passed 401–14
H.R. 9497: Water Resources Development Act of 2026Yea
Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 415–9
H.R. 9340: Ratepayer Protection ActYea
Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 417–3
H.J.Res. 213: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the "California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision".Nay
Sep 16, 2026· House· Passage· On Passage· Passed 214–208
H.R. 10326: PROOF ActNay
Sep 16, 2026· House· Passage· On Passage· Passed 217–207
H.R. 9576: National Fraud Enforcement Division Act of 2026Yea
Sep 16, 2026· House· Passage· On Passage· Passed 352–72
H.R. 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026Nay
Sep 16, 2026· House· Passage· On Motion to Concur in the Senate Amendments· Passed 262–159
H.Con.Res. 93: Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.Yea
Sep 15, 2026· House· Passage· On Agreeing to the Resolution· Passed 220–204
H.J.Res. 210: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision".Nay
Sep 15, 2026· House· Passage· On Passage· Passed 216–211
H.R. 9500: Tax Relief for Fraud Victims ActYea
Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 408–17
H.R. 2140: Diesel Emissions Reduction Act of 2025Yea
Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass· Passed 343–79
H.R. 4646: Whistleblower Protection Act of 2025Yea
Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 424–0

Committees

Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.

No committee seats are listed.

Federal contracts in the district

Contract obligations attributed to Massachusetts's 5th district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines. Shown next to the member's record: neither explains the other.

Obligations · FY2026: $3B
Per resident: $3,906
Rank in Massachusetts: 2 of 9
Contract actions: 6,144; New awards: 2,004

By fiscal year

3.3BFY2017
3.8BFY2018
3.9BFY2019
6BFY2020
4.5BFY2021
3.5BFY2022
3.6BFY2023
3.6BFY2024
4.3BFY2025
3BFY2026

Top buyers

Department of the Air Force$1.7B55%
Department of Defense
Missile Defense Agency$438.4M14%
Department of Defense
Department of Veterans Affairs$295.1M9.7%
Department of the Navy$179.4M5.9%
Department of Defense
National Aeronautics and Space Administration$70.1M2.3%
Environmental Protection Agency$64.3M2.1%
Office of Assistant Secretary for Preparedness and Response$62.1M2.0%
Department of Health and Human Services
Defense Advanced Research Projects Agency$47.3M1.6%
Department of Defense

Top recipients

MASSACHUSETTS INSTITUTE OF TECHNOLOGY$1.2B38%
28 awards
RAYTHEON COMPANY$507.6M17%
47 awards
FRESENIUS MEDICAL CARE HOLDINGS INC$268.7M8.9%
6 awards
THE CHARLES STARK DRAPER LABORATORY, INC.$88.2M2.9%
30 awards
APPLIED RESEARCH SOLUTIONS, INC.$80.2M2.6%
1 award
SYSTEMS & TECHNOLOGY RESEARCH LLC$73.2M2.4%
34 awards
ODYSSEY SYSTEMS CONSULTING GROUP, LTD.$69M2.3%
3 awards
RTX BBN TECHNOLOGIES, INC.$62.4M2.1%
46 awards
M. C. DEAN, INC.$60.5M2.0%
6 awards
SMITHSONIAN INSTITUTION$57.7M1.9%
9 awards

Open the district page

Campaign money

What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.

2026 cycle

Raised: $4.5M; through Aug 12, 2026
Cash on hand: $2M
From committees: $2M; 368 committees
From contractor PACs: $544.1K; 99 PACs · 28% of committee money

IndividualsPACsPartySelf

Largest gifts from PACs of federal contractors, 2026

PAC sponsor	Given	Matched contract recipient	Its contracts, FY2026
national association of broadcastersnational association of broadcasters political action committee (nabpac)	$10.1K	NATIONAL ASSOCIATION OF BROADCASTERSAI match · 100% · the same organization	$0
national restaurant associationnational restaurant association pac (restaurant pac)	$10K	NATIONAL RESTAURANT ASSOCIATION EDUCATIONAL FOUNDATIONAI match · 93% · of one corporate family	$2M
mortgage bankers associationmortgage bankers association political action committee (morpac)	$10K	MORTGAGE BANKERS ASSOCIATIONAI match · 100% · the same organization	$125K
fluor corporationfluor corporation political action committee (fluor pac)	$10K	FLUOR-BWXT PORTSMOUTH LLCAI match · 100% · of one corporate family	-$1.7M
anheuser-busch companies inc.anheuser-busch companies llc political action committee	$10K	ANHEUSER-BUSCH, LLCAI match · 99% · the same organization	—
united parcel service, inc.united parcel service, inc. pac (upspac)	$10K	UNITED PARCEL SERVICE INCAI match · 100% · of one corporate family	$685.7K
general motors companygeneral motors company political action committee (gm pac)	$10K	GENERAL MOTORS LLCAI match · 100% · of one corporate family	$652.9M
american institute of certified public accountantsamerican institute of certified public accountants political action committee	$10K	AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTSAI match · 100% · the same organization	—
general dynamics corporationgeneral dynamics corporation political action committee (general dynamics employee pac)	$10K	GENERAL DYNAMICS-OTS, INC.AI match · 100% · of one corporate family	$29.3K
northrop grumman corporationemployees of northrop grumman corporation pac	$10K	NORTHROP GRUMMAN SYSTEMS CORPORATIONAI match · 100% · of one corporate family	$1.1B

By cycle

Cycle	Raised (FEC summary)	From committees	From contractor PACs
2026	$4.5M	$2M	$544.1K99 PACs · 28% of committee money
2024	$5M	$2.3M	$669.6K115 PACs · 29% of committee money
2022	$2.2M	$1.2M	$368K83 PACs · 30% of committee money

Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.

Terms

Every term in the House or Senate, as published by the congress-legislators project.

House · Massachusetts's 5th districtJan 3, 2025 – Jan 3, 2027
House · Massachusetts's 5th districtJan 3, 2023 – Jan 3, 2025
House · Massachusetts's 5th districtJan 3, 2021 – Jan 3, 2023
House · Massachusetts's 5th districtJan 3, 2019 – Jan 3, 2021
House · Massachusetts's 5th districtJan 3, 2017 – Jan 3, 2019
House · Massachusetts's 5th districtJan 6, 2015 – Jan 3, 2017
House · Massachusetts's 5th districtDec 12, 2013 – Jan 3, 2015

Contact

Official channels, as published.

Website: katherineclark.house.gov
Phone: 202-225-2836
Office: 2368 Rayburn House Office Building

Identifiers

The same member in other public records.

Sources and method

Every figure on this page traces to these records.

Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)

Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
Activity counts describe volume and attendance; they are not a measure of quality.
Money and votes are shown side by side; neither explains the other.