John B. Larson
U.S. Representative, CT-1 since 1999. Did not run for re-election in 2026; leaves office in January 2027.
U.S. Representative, CT-1Born 1948
- In office
- 27 yrs
- Since 1999
- Bills became law
- 0
- 20 sponsored, 119th Congress
- Votes missed
- 3.0%
- Chamber median 2.1%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +28.3
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Committees
119th Congress.
- House Committee on Ways and MeansSocial Security · Ranking MemberTrade
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Armed Forces and National Security · Introduced Jul 2026
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Larson sits in the U.S. House
Larson is closer to the center than 44% of the chamber's Democrats.
Closest: Daniel S. Goldman, Gabe Amo, Lori Trahan
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Larson’s party
- Votes with the chamber's Democrats99%
- Cosponsorships of the other party's bills18%
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: Larson’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Larson | 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… | No | 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 Larson 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 |
|---|---|---|---|
| 2024 | U.S. House, CT-1 | Won | D+28.3 |
| 2022 | U.S. House, CT-1 | Won | D+23.8 |
| 2020 | U.S. House, CT-1 | Won | D+28.8 |
| 2018 | U.S. House, CT-1 | Won | D+28.8 |
| 2016 | U.S. House, CT-1 | Won | D+30.4 |
| 2014 | U.S. House, CT-1 | Won | D+26.3 |
| 2012 | U.S. House, CT-1 | Won | D+42.0 |
| 2010 | U.S. House, CT-1 | Won | D+24.1 |
| 2008 | U.S. House, CT-1 | Won | D+45.6 |
| 2006 | U.S. House, CT-1 | Won | D+48.9 |
| 2004 | U.S. House, CT-1 | Won | D+46.0 |
| 2002 | U.S. House, CT-1 | Won | D+33.6 |
Source: 99chambers results archive
Seats Larson has held
- U.S. House, CT-1 · 1999–2027
- Connecticut State Senate, District 3 · 1990–1994
Source: 99chambers results archive
Who Larson has run against
- Jim Griffin (R) · 2024 general, won
- Larry Lazor (R) · 2022 general, won
- Mary Fay (R) · 2020 general, won
- Jennifer T. Nye (R) · 2018 general, won
- Mathhew M. Corey (R) · 2016 general, won
- Matthew M. Corey (R) · 2014 general, won
Source: 99chambers results archive
How we know Larson
One person, matched across every source we use.
- Bioguide L000557
- FEC H8CT01046
- Wikidata Q357832
- Ballotpedia John B. Larson
- Vote Smart 17188
- GovTrack 400233
- OpenSecrets N00000575
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET