Katherine Clark
U.S. Representative, MA-5 since 2013. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, MA-5Born 1963General counsel
- In office
- 12 yrs
- Since 2013
- Bills became law
- 0
- 3 sponsored, 119th Congress
- Votes missed
- 0.2%
- Chamber median 2.1%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +48.1
- Won 2022
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Clark sits in the U.S. House
Clark is closer to the center than 37% of the chamber's Democrats.
Closest: Madeleine Dean, Juan Vargas, Emanuel Cleaver
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Clark’s party
- Votes with the chamber's Democrats99%
- Cosponsorships of the other party's bills0%
Black tick: the average of Democrats in the U.S. House.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Clark’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Clark | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Sep 16, 2026 | HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | No | No | Yes | Passed 262–159 |
| Jun 30, 2026 | HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to… | Yes | Yes | No | Failed 189–235 |
| Jun 9, 2026 | S 2: Secure America Act | No | No | Yes | Passed 214–212 |
| May 13, 2026 | HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure… | Yes | No | Yes | Passed 218–203 |
| Feb 12, 2026 | HR 2189: To modernize Federal firearms laws to account for advancements in technology and… | No | No | Yes | Passed 233–185 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Clark was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | Massachusetts's 5th District | Won | — | D+46.3 | — |
| 2024 | U.S. House, MA-5 | Won | — | — | — |
| 2022 | U.S. House, MA-5 | Won | D+48.1 | — | — |
| 2020 | U.S. House, MA-5 | Won | D+48.7 | — | — |
| 2018 | U.S. House, MA-5 | Won | D+51.8 | — | — |
| 2016 | U.S. House, MA-5 | Won | — | — | — |
| 2014 | U.S. House, MA-5 | Won | — | — | — |
| 2013 | U.S. House, MA-5 (special) | Won | D+34.2 | — | — |
| 2012 | Massachusetts State Senate, District 23 | Won | — | — | — |
| 2010 | Massachusetts State Senate, SD-MIDDLESEXESSEX | Won | D+4.6 | — | — |
| 2008 | Massachusetts House of Representatives, District 90 | Won | — | — | — |
| 2004 | Massachusetts State Senate, SD-MIDDLESEXESSEX | Lost | R+13.3 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $5M
- Spent
- $5.1M
- Cash
- $1.2M
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| KATHERINE CLARK FOR CONGRESS FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Clark has held
- U.S. House, MA-5 · 2013–2027
- Massachusetts State Senate, District 23 · 2012–2014
- Massachusetts State Senate, District MIDDLESEXESSEX · 2010–2012
- Massachusetts House of Representatives, District 90 · 2008–2010
Source: 99chambers results archive
Who Clark has run against
- Caroline Colarusso (R) · 2022 election, won
- John Hugo (R) · 2018 election, won
- Frank Addivinola (R) · 2013 special election, won
- Craig Spadafora (R) · 2010 election, won
- Richard R. Tisei (R) · 2004 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Clark
One person, matched across every source we use.
- Bioguide C001101
- FEC H4MA05084
- Wikidata Q6376330
- Ballotpedia Katherine Clark
- Vote Smart 35858
- GovTrack 412600
- OpenSecrets N00035278
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET