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 — 496
Yes43%
No56%
Present1%
Not Voting1%
Party align98%
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 · 22 sponsored · 117 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

Proud to present $1.2 million in federal funding to Sonoma County to construct new bike lanes and sidewalks along State Route 12, where accidents have led to tragic fatalities in recent years.
As Chair of the House Gun Violence Prevention Task Force, I will continue to fight for sensible gun violence prevention legislation. No community should have to live in fear of gun violence.
Eight years ago, young people across this country took to the streets and demanded that their leaders act on gun violence. Their courage sparked a movement, and that movement is still going strong.
ICE is operating cruelly and without restraint. This is exactly what I feared would happen when Republicans created this agency, and why I voted against creating ICE. This agency can't carry out its own job lawfully. (1/2)
As a member of the steering committee for the Napa County Prescribed Burn Association, she has worked to protect our communities from wildfire. And through her service on the Napa County Democratic Central Committee, she has fought to make sure every voice in Napa is heard.
As Chair of Planned Parenthood Northern California Action Fund and Vice-Chair of Planned Parenthood Affiliates of California, she has been a fierce defender of reproductive rights and health care access.
Through her leadership with the Women's Action Network and her work to establish the Solano Commission for Women and Girls, she has fought to make our community more just and more equal. Margi's life of service is an inspiration to us all.
She created the Vacaville High School Special Education Scholarship to open doors for students with disabilities, and co-created Play 4 All Park to ensure every child in Vacaville has a place to belong.
Proud to announce Margi Stern as the 2026 Solano County Woman of the Year. For 37 years as a speech pathologist, Margi has championed those who often go unheard, and her impact extends far beyond the clinic.
Through her leadership with the Sonoma County Suicide Prevention Coalition and her work at the Sonoma Valley Community Health Center, she shows up every single day for people in their most vulnerable moments.
Proud to announce Maricarmen Reyes Larios as the 2026 Sonoma County Woman of the Year. Maricarmen has dedicated her life to one of the most important and often overlooked causes in our community: suicide prevention.
As Lake County's Geothermal Coordinator and a former member of the Board of Supervisors, she transformed underground water utility systems across Middletown, Lower Lake, and Anderson Springs — a lasting infrastructure legacy that will benefit generations to come.
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Voting History
496 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
2025-12-17H.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
2025-12-10S. 1071 (119th)Motion to CommitYESYESFailed
2025-12-10H. Res. 936 (119th)Approve resolutionNONOPassed
2025-12-10H. Res. 936 (119th)End debate nowNONOPassed
2025-12-10H.R. 1676 (119th)Fast-track passageYESYESPassed
2025-12-09S. 356 (119th)Fast-track passageYESYESPassed
2025-12-04H.R. 1049 (119th)Final passageNONOPassed
2025-12-04H.R. 1069 (119th)Final passageNONOPassed
2025-12-03H.R. 1005 (119th)Final passageNONOPassed
2025-12-03H.R. 4305 (119th)Final passageNONOPassed
2025-12-03H.R. 2965 (119th)Final passageNONOPassed
2025-12-02H. Res. 916 (119th)Approve resolutionNONOPassed
2025-12-02H. Res. 916 (119th)End debate nowNONOPassed
2025-12-02H.R. 4423 (119th)Fast-track passageYESYESPassed
2025-12-01H.R. 5348 (119th)Fast-track passageYESYESPassed
2025-11-20H.R. 3109 (119th)Final passageNONOPassed
2025-11-20H. Res. 893 (119th)Motion to ReferYESYESPassed
2025-11-20H.R. 6019 (119th)Fast-track passageYESYESPassed
2025-11-20H.R. 4058 (119th)Fast-track passageYESYESPassed
2025-11-20H.R. 5107 (119th)Final passageNONOPassed
2025-11-20H.R. 5214 (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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