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%
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District Map

Congressional District 4

U.S. Census Bureau boundary data.
Mike Thompson headshot
Mike Thompson
U.S. RepresentativeDemocratCalifornia District 4
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Mike's ATmosphere Activity
20 recent posts · 25 sponsored · 120 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

No one, especially our men and women in uniform who work hard to protect our country, should fear they will be shot on a U.S. military base or anywhere else they go. This gun violence epidemic must end. (2/2) apnews.com/article/geor...
Horrified and heartbroken by the shooting of five soldiers at Fort Stewart in Georgia. My prayers remain with the soldiers wounded. Thank you to the brave service members who intervened and to law enforcement for their quick response. (1/2)
It’s the gift that keeps on giving! In addition to adding over $4 trillion to our national debt, the Social Security Administration’s chief actuary now reports the President and Congressional Republicans’ big, ugly bill will short Social Security trust fund’s solvency by another year.
A screenshot of an excerpt from the POLITICO Article "GOING To Leave A Mark." he highlighted text reads:
“The megabill will have ‘material effects’ on the bottom line of a key Social Security trust fund, according to the program’s chief actuary, Karen Glenn. And those effects, Glenn says, will push up the insolvency of the retirement trust fund to 2032, from the previous projection of 2033.”
Today, we remember the lives of those lost and recommit to standing up to hate and enacting sensible laws to keep firearms out of the hands of people who are a danger to themselves or others.
Six years ago, a gunman motivated by white nationalist conspiracy theories senselessly murdered 23 people and injured 22 more at a Walmart in El Paso, Texas. Today, we remember their lives and recommit to ending gun violence.
Yesterday’s report from the nonpartisan Bureau of Labor Statistics showed a concerning slowdown in job growth. Now, the President is firing the official in charge of publishing the numbers as punishment. This is undemocratic and dangerous. Every American should be outraged.
The President and Congressional Republicans cut health care coverage for millions of people in order to pay for tax breaks for their billionaire donors who don’t need the help. This will hurt access to care for everyone in our community. napacountytimes.com/napa-hospita...
Joined my Democratic colleagues to demand answers from Secretary Rubio on providing food to starving civilians in Gaza. We must work to end this humanitarian crisis, reach a negotiated bilateral ceasefire, and bring all hostages home.
Image of a formal Congressional letter dated July 30, 2025, addressed to Secretary of State Marco Rubio. The letter expresses concerns about the Gaza Humanitarian Foundation’s operations, transparency, funding, and safety practices. It cites over 1,000 deaths at aid distribution sites and urges oversight and accountability.
Continuation of the Congressional letter raising questions about the State Department’s $30 million grant to the Gaza Humanitarian Foundation. Lawmakers ask about oversight mechanisms, contractor compliance, and transparency in GHF’s funding and partnerships.
The letter continues with more oversight questions, including concerns about militarization at aid sites, potential additional funding, and how GHF compares to experienced humanitarian organizations. Lawmakers request justification for GHF’s leadership and operational decisions.
The final page of the letter outlines 16 detailed questions for the State Department. Topics include donor disclosure, operational coordination, and compliance with humanitarian standards.
Privatizing Social Security risks the financial security of every retired American and every American who plans to retire one day. The only people this plan serves are the wealthy financiers on Wall Street. This is bad policy and every American, regardless of party stripe, should be concerned.
Even if you have private insurance or all the money in the world to pay for care, if your nearest hospital has been forced to reduce its services or shut down, you won’t get the treatment you need.
One-third of health care in California is paid for through Medi-Cal. Now that the President and Congressional Republicans have slashed coverage, hospitals will be forced to cut back on services, fire specialists, and in some cases shut down altogether. www.thereporter.com/2025/07/28/l...
On this day 60 years ago, Democrats and Republicans came together to sign Medicare and Medicaid into law. Today, one in six Californians are enrolled in Medicare and one in three in Medicaid. I will continue to work to protect the programs for generations to come.
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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
2025-03-11H. Res. 211 (119th)End debate nowNONOPassed
2025-03-10H.R. 993 (119th)Fast-track passageYESYESPassed
2025-03-10H.R. 901 (119th)Fast-track passageYESYESPassed
2025-03-10H.R. 495 (119th)Fast-track passageYESYESPassed
2025-03-06H. Res. 189 (119th)Approve resolutionNONOPassed
2025-03-06S.J. Res. 11 (119th)Final passageNONOPassed
2025-03-05H. Res. 189 (119th)Kill the motionYESYESFailed
2025-03-05H.J. Res. 42 (119th)Final passageNONOPassed
2025-03-05H.J. Res. 61 (119th)Final passageNONOPassed
2025-03-04H. Res. 177 (119th)Approve resolutionNONOPassed
2025-03-04H. Res. 177 (119th)End debate nowNONOPassed
2025-03-04H.R. 758 (119th)Fast-track passageYESYESPassed
2025-03-03H.R. 856 (119th)Fast-track passageYESYESPassed
2025-02-27H.J. Res. 20 (119th)Final passageNONOPassed
2025-02-26H.J. Res. 35 (119th)Final passageNONOPassed
2025-02-26H.R. 695 (119th)Fast-track passageYESYESPassed
2025-02-26H. Con. Res. 14 (119th)Approve resolutionNONOPassed
2025-02-26H.R. 804 (119th)Fast-track passageYESYESPassed
2025-02-26H.R. 788 (119th)Fast-track passageYESYESPassed
2025-02-25H. Res. 161 (119th)Approve resolutionNONOPassed
2025-02-25H. Res. 161 (119th)End debate nowNONOPassed
2025-02-25H.R. 818 (119th)Fast-track passageYESYESPassed
2025-02-25H.R. 832 (119th)Fast-track passageYESYESPassed
2025-02-24H.R. 825 (119th)Fast-track passageYESYESPassed
2025-02-13H.R. 35 (119th)Final passageNONOPassed
2025-02-12H.R. 77 (119th)Final passageNONOPassed
2025-02-12H.R. 77 (119th)Send back to committeeYESYESFailed
2025-02-11H. Res. 122 (119th)Approve resolutionNONOPassed
2025-02-11H. Res. 122 (119th)End debate nowNONOPassed
2025-02-10H.R. 736 (119th)Fast-track passageYESYESPassed
2025-02-10H.R. 692 (119th)Fast-track passageYESYESPassed
2025-02-07H.R. 26 (119th)Final passageNONOPassed
2025-02-07H.R. 26 (119th)Send back to committeeYESYESFailed
2025-02-06H.R. 27 (119th)Final passageYESNOPassed
2025-02-06H.R. 27 (119th)Approve amendmentYESYESFailed
2025-02-05H. Res. 93 (119th)Approve resolutionNONOPassed
2025-02-05H. Res. 93 (119th)End debate nowNONOPassed
2025-02-05H.R. 776 (119th)Fast-track passageYESYESPassed
2025-02-04H.R. 43 (119th)Fast-track passageYESYESPassed
2025-01-23H.R. 21 (119th)Final passageNONOPassed
2025-01-23H.R. 21 (119th)Send back to committeeYESYESFailed
2025-01-23H.R. 471 (119th)Final passageYESNOPassed
2025-01-23H.R. 375 (119th)Fast-track passageYESYESPassed
2025-01-22S. 5 (119th)Final passageNONOPassed
2025-01-22H.R. 165 (119th)Fast-track passageYESYESPassed
2025-01-22H. Res. 53 (119th)Approve resolutionNONOPassed
2025-01-22H. Res. 53 (119th)End debate nowNONOPassed
2025-01-22H.R. 187 (119th)Fast-track passageYESYESPassed
2025-01-21H.R. 186 (119th)Fast-track passageYESYESPassed
2025-01-16H.R. 30 (119th)Final passageNONOPassed

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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