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.

His memory lives on through the room named in his honor in the Capitol, a lasting tribute to a life and career cut far too short. We must continue the fight to end gun violence and ensure tragedies like this never happen again.
We lost Gabe Zimmerman in the same shooting 15 years ago that killed five others and injured 14, including former Congresswoman Gabby Giffords. Gabe was the first congressional staffer killed in the line of duty. It was a devastating loss to his family, his colleagues, and the institution we serve.
15 years after the Tucson shooting, we remember the six lives lost, stand with the survivors, and recommit to preventing gun violence. Gabby Giffords has shown what courage and action can achieve, and our work is far from done.
Deeply concerned by ICE's killing of a woman in Minneapolis. These indiscriminate raids are scaring and hurting people across our country. Secretary Noem must immediately cease ICE operations in Minneapolis and investigate the shooting immediately. Enough is enough. apnews.com/live/minneap...
It’s day 7 of 2026 and there have been 8 mass shootings this year. That’s already more mass shootings than days in the year so far. That’s unacceptable. We need to keep guns out of the hands of those who are a danger to themselves or others.
Stood with Democratic veterans to oppose an unnecessary war in Venezuela. As a combat veteran, I opposed the war in Iraq, and I will oppose any military intervention in Venezuela. We will not send our military members to fight for oil.
This administration’s offshore drilling proposal puts our marine ecosystems and coastal economies at risk while offering little benefit to lower energy costs. I wrote oil spill response and cleanup laws when I was in the State Senate, and I know how devastating a spill would be for the North Coast.
Had the chance to tour Puertas Abiertas’ new building and learn more about the vital support they provide to Napa County’s Latino community. From health care to social services, they show up every day to serve our neighbors.
She continues to make history as the first Latina elected to the Board—and now as its first Latina Chair. I look forward to continuing to work with her to strengthen Sonoma County and address the impacts of federal funding cuts.
Congratulations to Rebecca Hermosillo on being selected Chair of the Sonoma County Board of Supervisors! I’m incredibly proud of Rebecca. When she worked with me, she was a tireless advocate for Sonoma County and an outstanding leader in my Santa Rosa district office.
Greenland is not up for grabs. Denmark, a NATO ally, has rightly rejected the president’s claims, and so should we. It’s embarrassing and dangerous to suggest military force is on the table. I reject that outright and will oppose any attempt to use force in Greenland. www.nbcnews.com/news/amp/rcn...
Grateful to everyone in American Canyon who showed up, asked thoughtful questions, and engaged in a great discussion about my work in Washington. It’s an honor to serve and fight for this community.
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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
2026-03-05H.R. 7744 (119th)Final passageNONOPassed
2026-03-05H.R. 7744 (119th)Send back to committeeYESYESFailed
2026-03-05H. Con. Res. 38 (119th)Approve resolutionYESYESFailed
2026-03-05H. Res. 1099 (119th)Motion to Suspend the Rules and AgreeYESYESPassed
2026-03-04H. Res. 1100 (119th)Motion to ReferYESYESPassed
2026-03-04H.R. 6472 (119th)Fast-track passageYESYESPassed
2026-03-04S. 723 (119th)Fast-track passageYESYESPassed
2026-03-04H. Res. 1095 (119th)Approve resolutionNONOPassed
2026-03-04H. Res. 1095 (119th)End debate nowNONOPassed
2026-02-25H.R. 4758 (119th)Final passageNONOPassed
2026-02-25H.R. 4758 (119th)Send back to committeeYESYESFailed
2026-02-24H.R. 4626 (119th)Final passageNONOPassed
2026-02-24H.R. 4626 (119th)Send back to committeeYESYESFailed
2026-02-24H. Res. 1075 (119th)Approve resolutionNONOPassed
2026-02-24H. Res. 1075 (119th)End debate nowNONOPassed
2026-02-24S. 2503 (119th)Fast-track passageYESYESFailed
2026-02-24H.R. 6329 (119th)Fast-track passageYESYESPassed
2026-02-12H.R. 2189 (119th)Final passageNONOPassed
2026-02-11S. 1383 (119th)Final passageNONOPassed
2026-02-11S. 1383 (119th)Motion to CommitYESYESFailed
2026-02-11H.R. 261 (119th)Final passageNONOPassed
2026-02-11H.R. 261 (119th)Send back to committeeYESYESFailed
2026-02-11H.J. Res. 72 (119th)Final passageYESYESPassed
2026-02-11H.R. 3617 (119th)Final passageNONOPassed
2026-02-11H.R. 3617 (119th)Send back to committeeYESYESFailed
2026-02-11H. Res. 1057 (119th)Approve resolutionNONOPassed
2026-02-11H. Res. 1057 (119th)End debate nowNONOPassed
2026-02-11H. Res. 1042 (119th)Approve resolutionNONOFailed
2026-02-11H. Res. 1042 (119th)End debate nowNONOPassed
2026-02-10H.R. 1531 (119th)Fast-track passageYESYESPassed
2026-02-09H.R. 6644 (119th)Fast-track passageYESYESPassed
2026-02-04H.J. Res. 142 (119th)Final passageNONOPassed
2026-02-04H.R. 4090 (119th)Final passageNONOPassed
2026-02-04H.R. 4090 (119th)Send back to committeeYESYESFailed
2026-02-03H.R. 7148 (119th)Accept Senate changesNONOPassed
2026-02-03H. Res. 1032 (119th)Approve resolutionNONOPassed
2026-02-03H. Res. 1032 (119th)End debate nowNONOPassed
2026-02-03H.R. 3123 (119th)Fast-track passageYESYESPassed
2026-02-02H.R. 980 (119th)Fast-track passageYESYESPassed
2026-01-22H. Con. Res. 68 (119th)Approve resolutionYESYESFailed
2026-01-22H.R. 6359 (119th)Final passageNONOPassed
2026-01-22H.R. 6359 (119th)Send back to committeeYESYESFailed
2026-01-22H.R. 7148 (119th)Final passageNOYESPassed
2026-01-22H.R. 7148 (119th)Approve amendmentNONOFailed
2026-01-22H.R. 7148 (119th)Approve amendmentNONOFailed
2026-01-22H.R. 7147 (119th)Final passageNONOPassed
2026-01-22H. Res. 1014 (119th)Approve resolutionNONOPassed
2026-01-22H. Res. 1014 (119th)Approve amendmentYESYESAgreed to
2026-01-22H. Res. 1014 (119th)End debate nowNONOPassed
2026-01-21H.J. Res. 140 (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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