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U.S. Representative · California 4th District
Mike Thompson
DemocratDistrict D+17119th CongressOn the ballot 2026
Typical swing score54#144 of 433 representatives across tracked bills
Contact Mike Thompson’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office268 Cannon House Office Building Washington DC 20515-0504
Model
Directional: count only breaks toward the other partyWhy do scores change?v3default (selected)v2 model swing-v2
Signals to watch
What in this member’s district, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.Could pull them toward Republicans · 1 signal
- StrongBacks 13 Republican-led tracked billsSponsor or active cosponsor of 13 of the 865 tracked bills that were introduced by Republicans: H.R. 33, H.R. 227, H.R. 471, H.R. 842, H.R. 979 and 8 more.
- Sponsored or cosponsored: H.R. 33 To amend the Internal Revenue Code of 1986 to provide special rules for the taxation of certain residents of Taiwan with income from sources within the United States.
- Sponsored or cosponsored: H.R. 227 Clergy Act
- Sponsored or cosponsored: H.R. 471 Fix Our Forests Act
Show all 10
- Sponsored or cosponsored: H.R. 842 Nancy Gardner Sewell Medicare Multi-Cancer Early Detection Screening Coverage Act
- Sponsored or cosponsored: AM Radio for Every Vehicle Act of 2025
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2025 – January 3, 2027
- Next election
- November 3, 2026
- Years in office
- 27.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- House Committee on Ways and MeansMinority · 3rd in seniority
- Subcommittee on Health
- Subcommittee on TaxRanking Member
Voting ideology
first dimension, from VoteviewD median
R median
Thompson← More liberal (−1)More conservative (+1) →
Their score of -0.392 is 0.00 to the right of the House Democratic median (-0.393).
Advocacy scorecards
Their rating vs. the House Democratic average- 119th Congress7House Democratic average: 1 (n=210)
Swing score by bill
swing-v3, directional · a bill marks a member as committed to itShowing 301–350 of 858 tracked bills, best swing first
| Bill | Their role | Swing score · | ||
|---|---|---|---|---|
| H.R. 8278Fostering the Use of Technology to Uphold Regulatory Effectiveness in Supervision ActSummary on Congress.gov | No position yetNow in the Senate | YeaProjected at the vote: 50 Middle (today: 56) | 56 |