Mike Thompson headshot
At a Glance
Seat
Representative for California District 4
Born
January 24, 1951
Age 75
Phone
(202) 225-3311
Office
268 Cannon House Office Building, Washington 20515
Congress Member Profile|U.S. Representative|Democrat|California District 4

Mike Thompson

Charles Michael Thompson is an American politician serving as the U.S. representative for California's 4th congressional district since 1999. The district, in the outer northern portion of the San Francisco Bay Area, includes all of Lake and Napa counties and parts of Contra Costa, Solano, Yolo and Sonoma counties. Thompson chairs the House Gun Violence Prevention Task Force. He is a member of the Democratic Party.

Source: WikipediaView full (CC BY-SA)
Voting Record — 566
Yes44%
No55%
Present1%
Not Voting1%
Party align97%
Cross-party2%
SoupScore
District Map

Congressional District 4

U.S. Census Bureau boundary data.
Mike Thompson headshot
Mike Thompson
U.S. RepresentativeDemocratCalifornia District 4
SoupScore
Mike's ATmosphere Activity
20 recent posts · 25 sponsored · 122 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

But make no mistake: the damage was done. Valuable time was lost, participants dropped out, and the project may never fully recover. Political ideology should never interfere with life-saving research. I will continue to fight for science and the people it serves.
Trump’s reckless war on science and diversity gutted over 700 NIH research grants—including a $36 million dementia study led by UC Davis. After public outcry, the grant was reinstated. A small but important victory.
Congressional Republicans keep saying we’re “lying” about Medicaid cuts. But now their own members are sounding the alarm—because they know cuts are on the table. The truth is clear. The threat is real. And our pressure is working. thehill.com/homenews/hou...
FACT: The Social Security Administration has reported that less than .01 percent of Social Security payments are lost to fraud. Seniors, people with disabilities, and rural Americans who can’t access an SSA office in person rely on phone services to set up and manage their benefits.
When asked about why the Administration is restricting phone services for Social security recipients, Vice President Vance claimed this week that “40 percent of the people who are calling are actually committing fraud.”
This administration has fired thousands of vets from federal jobs, gutted veterans health services — including the veteran suicide hotline — and canceled contracts that support homeless and at-risk vets. That’s no way to treat those who have bravely served our country.
Two years ago today, five people were tragically killed by a shooter at Louisville’s Old National Bank. Today, we remember those whose lives were cut short and honor their memory by continuing our work to make our communities safer.
Our U.S. Trade Representative spent two hours testifying before our committee today to tell us how tariffs are needed. Then, the President pulled the plug while he was testifying — he heard it for the first time when we heard it!  The President has no plan.
The President’s tariffs are costing families an extra $3,800 per year and upending foreign markets for American businesses and ag producers. U.S. Trade Representative Jamieson Greer had no answers for the Ways & Means Committee today on how our economy can afford this $6T tax hike. bit.ly/42Cf5yd
Proud to have voted to pass a bill to fund research and treatment of certain cancers connected to veterans’ time serving in the Vietnam War, including exposure to liver fluke. As a Vietnam vet myself, I know how critical it is to have access to care when you need it.
These cuts will force hospitals and community health centers to slash services or close their doors. This will mean fewer doctors, longer waits, and less access to care for everyone, whether you're on Medi-Cal or not.
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Voting History
566 total votes
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Recent roll calls with party-majority context so it is easier to scan how this member tends to vote.

DateBillQuestionPositionParty MajAlign?Result
2026-01-08H.R. 6938 (119th)Final passageYESYESPassed
2026-01-08H.R. 6938 (119th)Retaining Divisions B and CYESYESPassed
2026-01-08H.R. 6938 (119th)Retaining Division AYESYESPassed
2026-01-07H. Res. 780 (119th)Motion to DischargeYESYESPassed
2026-01-07H. Res. 977 (119th)Approve resolutionNONOPassed
2026-01-07H. Res. 977 (119th)End debate nowNONOPassed
2026-01-06Call of the HousePRESENTPassed
2025-12-18H.R. 498 (119th)Final passageNONOPassed
2025-12-18H.R. 498 (119th)Send back to committeeYESYESFailed
2025-12-18H.R. 845 (119th)Final passageNONOPassed
2025-12-18H.R. 845 (119th)Send back to committeeYESYESFailed
2025-12-18H.R. 1366 (119th)Final passageNONOPassed
2025-12-18H.R. 1366 (119th)Send back to committeeYESYESFailed
2025-12-18H.R. 4776 (119th)Final passageNONOPassed
2025-12-18H.R. 4776 (119th)Send back to committeeYESYESFailed
2025-12-18H.R. 4776 (119th)Approve amendmentNONOFailed
2025-12-18H.R. 4776 (119th)Approve amendmentNONOFailed
2025-12-18H.R. 4776 (119th)Approve amendmentNONOFailed
2025-12-17H.R. 3492 (119th)Final passageNONOPassed
2025-12-17H.R. 3492 (119th)Send back to committeeYESYESFailed
2025-12-17H.R. 6703 (119th)Final passageNONOPassed
2025-12-17H.R. 6703 (119th)Send back to committeeYESYESFailed
2025-12-17H.R. 3616 (119th)Final passageNONOPassed
2025-12-17H. Con. Res. 64 (119th)Approve resolutionYESYESFailed
2025-12-17H. Con. Res. 61 (119th)Approve resolutionYESYESFailed
2025-12-17H. Res. 953 (119th)Approve resolutionNONOPassed
2025-12-17H. Res. 953 (119th)End debate nowNONOPassed
2025-12-16H.R. 3632 (119th)Final passageNONOPassed
2025-12-16H.R. 3632 (119th)Send back to committeeYESYESFailed
2025-12-16H.R. 4371 (119th)Final passageNONOPassed
2025-12-16H.R. 4371 (119th)Send back to committeeYESYESFailed
2025-12-16H. Res. 951 (119th)Approve resolutionNONOPassed
2025-12-16H. Res. 951 (119th)End debate nowNONOPassed
2025-12-16H.R. 3187 (119th)Fast-track passageYESYESPassed
2025-12-15S. 284 (119th)Fast-track passageYESYESPassed
2025-12-12H.R. 3668 (119th)Final passageNONOPassed
2025-12-12H.R. 3668 (119th)Send back to committeeYESYESFailed
2025-12-11H.R. 2550 (119th)Final passageYESYESPassed
2025-12-11H. Res. 432 (119th)Approve resolutionYESYESPassed
2025-12-11H.R. 3898 (119th)Final passageNONOPassed
2025-12-11H.R. 3898 (119th)Send back to committeeYESYESFailed
2025-12-11H.R. 3383 (119th)Final passageNONOPassed
2025-12-11H.R. 3383 (119th)Approve amendmentYESYESFailed
2025-12-11H.R. 3383 (119th)Approve amendmentYESYESFailed
2025-12-11H.R. 3383 (119th)Approve amendmentNONOFailed
2025-12-11H.R. 3638 (119th)Final passageYESNOPassed
2025-12-11H.R. 3628 (119th)Final passageNONOPassed
2025-12-11H. Res. 939 (119th)Kill the motionNONOPassed
2025-12-10H. Res. 432 (119th)Motion to DischargeYESYESPassed
2025-12-10S. 1071 (119th)Final passageYESYESPassed

Alignment stats consider only votes where a clear yes/no majority existed for the legislator's party. Cross-party marks divergence where the vote matched the opposite party majority. ↔ indicates cross-party divergence.

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