Larson has spent years focused on a few core fights. Each is tied to bills actually introduced or votes actually cast.
01
Supports legislative changes to Social Security structureLarson sponsored H.R.4583, the Social Security 2100 Act, which would modify the program's benefit formulas and financing mechanisms. The bill attracted between 100 and 199 cosponsors and was referred to committee. This sponsorship, alongside related Social Security legislation (H.R.1877, H.R.1876), reflects a sustained focus on the program's administration and fiscal structure.
02
Sponsored bill to protect Social Security office accessLarson sponsored H.R.1876, the Keeping Our Field Offices Open Act, which would place restrictions on the closure of Social Security Administration field offices. The bill drew between 100 and 199 cosponsors and was referred to committee.
03
Introduced measure on government ethics and conflictsLarson sponsored H.R.1321, the Ending DOGE Conflicts Act, which was referred to committee with between 50 and 99 cosponsors. The bill addresses conflict-of-interest concerns related to government advisory or operational roles.
Keep scrolling for the record, votes, and contact info↓
CallD.C. office
EmailVia web form
VisitOfficial site
01 · Background
Who they are, where they came from
John B. Larson represents Connecticut's 1st congressional district, centered on Hartford, and has held the seat since January 1999. A member of the Democratic Party, he served as chair of the House Democratic Caucus during the 111th and 112th Congresses. In the current Congress, Larson has sponsored legislation related to Social Security administration and data protection, including H.R.4583, H.R.1877, and H.R.1876, and has introduced measures addressing government ethics and national service (H.R.1321, H.R.7910). On final passage votes, he voted against H.R.82, the Social Security Fairness Act of 2023, and voted in favor of S.2228, the Building Chips in America Act of 2023.
Larson's $1.9M in receipts this cycle split nearly evenly between individuals (49.2%) and PACs (49.8%), with individual contributions drawn almost entirely from itemized donors. Top PAC contributors include the Sheet Metal Air Rail Transportation Political Action League, the International Brotherhood of Electrical Workers Committee on Political Education, the Lockheed Martin Employees Political Action Committee, and UBS Americas Inc. Political Action Committee. Top employer concentrations include Hartford HealthCare, LAZ Parking, and Goodwin College. Unitemized contributions accounted for just 9.5% of individual receipts.
Total raised · 2026
$1.9M
Cash on hand
$1.1M
Spent
$1.1M
By source
Individuals$959K · 49.2%
PACs$970K · 49.8%
Other$14K · 0.7%
Individual donor mix
Small-donor share (under $200)9.5%
Top PAC contributors
SHEET METAL AIR RAIL TRANSPORTATION POLITICAL ACTION LEAGUEFEC ↗$15K
Self-reported employer data. Categories like “Retired” and “Not Employed” are excluded — these reflect demographic patterns rather than industry concentrations.
Every claim on this page links to a public source. We don’t tell you whether John Larson is a good or bad official— that’s your call. We just make the facts easy to find.