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 — 550
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 · 24 sponsored · 118 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

This is shameful. It’s clear this administration wants to sow fear and chaos in our immigrant communities. They are targeting our family members, friends, and neighbors, not violent criminals like they promised. There’s no excuse for treating someone this way. www.npr.org/2025/06/27/n...
This administration is handing a free pass to their wealthy donors and guaranteeing billions of dollars lost in unpaid taxes. Americans deserve a government that works for them, not one that caters to the wealthy and the well-connected.
10 years ago today, the Supreme Court recognized the right to same-sex marriage nationwide. While we mark today’s milestone, we remember that the fight for equality is not over. I remain committed to protecting equal rights for all Americans.  www.nbcnews.com/nbc-out/out-...
Congressional Republicans’ bill to rip health care from 16 million people violates the Senate’s rules. Unfortunately, this isn’t the end. They’re already rewriting their bill to run around the rules and follow through with their bad plan. I’ll continue to fight this. thehill.com/homenews/sen...
The BSCA has provided $1 billion for mental health investments, $250M for community violence intervention, $750M for crisis intervention, expanded background checks, closed the “boyfriend” loophole, and more.
The first step in ending gun violence is understanding it. Thanks to the experts from across our country who joined the Gun Violence Prevention Task Force to strategize on how we can advance research into this deadly epidemic.
Congressman Mike Thompson, along with Congresswoman Jan Schakowsky (left), Congresswoman Lucy McBath (right), and Congressman Bobby Scoot (far right), listen to experts in Gun Violence Prevention research.
Congressional Republicans held a hearing today titled “Health at Your Fingertips.” It’s hard to take that seriously when they are working to rip health care out of the hands of 16 million Americans.
The 16 million people who will lose their health care thanks to the President and Congressional Republicans’ big, ugly bill aren’t going to just “get over it.” They are going to get sicker, and some will die. Congressional Republicans should be ashamed. www.newsweek.com/mitch-mcconn...
The big, ugly bill is getting uglier. New analysis shows the Senate’s version of the bill will cost taxpayers $4.2 trillion dollars — even more than the cost of the House’s version of the bill. This is a bad deal for the American people. www.politico.com/live-updates...
My team is hosting in-person office hours today, June 24th from 2 to 4pm. Please drop in to discuss with my team any support you may need and stay tuned for more sessions throughout our district.
A graphic with the logos of the U.S. House of Representatives, California State Senate, and Yolo County, with text stating: "Office Hours with the Offices of Congressman Mike Thompson, CA State Senator Christopher Cabaldon & Supervisor Angel Barajas. Sit down with staff members of federal, state, and local offices to discuss issues impacting you and our community. Tuesday, June 24th 2:00 PM to 4:00 PM at Capay Valley Health and Community Center, 17340 Yolo Avenue, Esparto, CA 95627"
When he contacted my team last year for help, we jumped in to resolve his case and ensured he received the coverage he was owed. If you’re a vet in need of help navigating the VA, call my nearest office. I’m here to help.
It’s day 174 of 2025 and we have had 176 mass shootings. That’s more mass shootings than days in the year so far. Enough is enough. This #GunViolenceAwarenessMonth we’re recommitting to the fight to end our gun violence epidemic.
Graphic that says "It's day 174 of 2025 and there have been 176 mass shootings."
As the only service dog organization in the world that partners with the Bergin College of Canine Studies, Paws for Purple Hearts improves the lives of veterans and service members facing mobility challenges, PTSD, and traumatic brain injuries. Thanks for all you do!
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Voting History
550 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
2026-01-22H. 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
2026-01-21H.R. 6945 (119th)Final passageNONOPassed
2026-01-21H.R. 6945 (119th)Send back to committeeYESYESFailed
2026-01-21H. Res. 1009 (119th)Approve resolutionNONOPassed
2026-01-21H. Res. 1009 (119th)End debate nowNONOPassed
2026-01-21H.R. 5764 (119th)Fast-track passageYESYESPassed
2026-01-20H.R. 5763 (119th)Fast-track passageYESYESPassed
2026-01-15H.R. 2988 (119th)Final passageNONOPassed
2026-01-15H.R. 2988 (119th)Send back to committeeYESYESFailed
2026-01-15H.R. 2988 (119th)Approve amendmentYESYESAgreed to
2026-01-14H.R. 7006 (119th)Final passageYESYESPassed
2026-01-14H.R. 7006 (119th)Approve amendmentNONOFailed
2026-01-14H.R. 7006 (119th)Approve amendmentNONOFailed
2026-01-14H. Res. 992 (119th)Approve resolutionNONOPassed
2026-01-14H. Res. 992 (119th)End debate nowNONOPassed
2026-01-13H.R. 4593 (119th)Final passageNONOPassed
2026-01-13H.R. 4593 (119th)Send back to committeeYESYESFailed
2026-01-13H.R. 2312 (119th)Send back to committeeYESYESFailed
2026-01-13H.R. 2270 (119th)Send back to committeeYESYESFailed
2026-01-13H.R. 2262 (119th)Final passageNONOFailed
2026-01-13H.R. 2262 (119th)Send back to committeeYESYESFailed
2026-01-13H. Res. 988 (119th)Approve resolutionNONOPassed
2026-01-13H. Res. 988 (119th)End debate nowNONOPassed
2026-01-13H.R. 6504 (119th)Fast-track passageYESYESPassed
2026-01-13H.R. 6500 (119th)Fast-track passageYESYESPassed
2026-01-12H.R. 2683 (119th)Fast-track passageYESYESPassed
2026-01-09H.R. 5184 (119th)Final passageNONOPassed
2026-01-08H.R. 1834 (119th)Final passageYESYESPassed
2026-01-08H. Res. 780 (119th)Approve resolutionYESYESPassed
2026-01-08H.R. 131 (119th)Passage, Objections of the President To The Contrary NotwithstandingYESYESFailed
2026-01-08H.R. 504 (119th)Passage, Objections of the President To The Contrary NotwithstandingYESYESFailed
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

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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