---
type: Person
title: "John B. Larson"
description: "U.S. House of Representatives - CT-1 — Congressional District 1"
role: "U.S. House of Representatives - CT-1"
party: "D"
level: "federal"
branch: "legislative"
state: "CT"
district: "Congressional District 1"
tenure:
  start: "2025-01-03"
  current: true
election:
  next: 2026
  term_length: 2
  term_limit: "none"
ids:
  person: "aeb12035-3747-47c9-a421-c2ef26a21f05"
  office: "c5f6ae0c-12d8-4ed1-a937-fc389717d541"
  tenure: "c01504fa-7b6c-49f1-a0b6-5cdaaf95bfcf"
  jurisdiction: "1ac29c0b-9de0-4e09-a8a9-29614ff22efe"
sources:
  - field: tenure
    source: "House Clerk XML 2026-06-10"
  - field: jurisdiction
    source: "Census 119th CD 500k"
confidence: official
tags: [officeholder, federal, legislative, ct]
timestamp: "2026-06-20"
---

# John B. Larson

Current U.S. House of Representatives - CT-1 (Congressional District 1).

## Sources

- tenure: House Clerk XML 2026-06-10
- jurisdiction: Census 119th CD 500k

Generated from the Atlas officeholders v2 export (2026-06-20).