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 — 534
Yes43%
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 · 117 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

The fact that a sitting FCC commissioner is making public threats to private businesses to chill speech the administration disagrees with should outrage every American, regardless of party. I’ll continue to stand up for every person’s right to free speech. (2/2) www.latimes.com/entertainmen...
Today marks one year since we lost our friend and colleague Brad Onorato. For 34 years, Brad worked harder than anyone for our district. He was a bulldog for our constituents and a dear friend. It was the honor of a lifetime to have him on my team. We miss you every day, Brad!
Photo of Brad looking into the camera smiling
It’s both sad and tragic that Congressional Republicans wouldn’t work with us to provide affordable health care for hardworking Americans. Read my full statement on Congressional Republicans’ partisan spending bill below.
It’s both sad and tragic that Congressional Republicans wouldn’t work with us to provide affordable health care for hardworking Americans. I voted “no” on their partisan spending bill today and will continue to oppose any and all policies that put corporations and billionaires over the American people.
Now, more than ever, members of Congress on both sides of the aisle need to come together with civility and empathy to address all forms of violence hurting our country and work to improve the lives of the people we represent. (2/2)
This week’s headline roundup: Americans across our country are facing layoffs and struggling to pay their bills. Our system is broken and more Americans are struggling each day. We need change. (1/2)
Saddened by the passing of iconic actor and former CA-04 neighbor, Robert Redford. He was an incredible actor, director, and environmentalist and he will be deeply missed. My thoughts and prayers are with his loved ones. www.cbsnews.com/news/robert-...
Every voter deserves the opportunity to cast their ballot without barriers. Grateful for the outstanding local leaders and advocates who helped spread the word and educate on accessible voting this past #DisabilityVotingRightsWeek. www.dailydemocrat.com/2025/09/11/y...
Excited to celebrate #HispanicHeritageMonth. I’m proud to honor the rich cultures, traditions, and contributions of our Hispanic community and to stand in strong support of the vibrant role they play in our nation’s story.
Led my @waysmeanscmte.bsky.social colleagues in demanding the IRS stop sharing taxpayer data with ICE. Using sensitive information to target immigrants undermines taxpayers’ trust and diverts the agency from its core mission of fairly collecting revenue.
A letter from Ways and Means Democrats to T he Acting Commissioner of the Internal Revenue Service (IRS), Scott Bessent. Dated September 4, 2025, the letter expresses concern about reports that the IRS is working with Immigration and Customs Enforcement (ICE) to provide access to taxpayer data for individuals targeted for deportation. The letter urges the IRS to cease these efforts, stating it would undermine the agency's core mission and federal tax revenue. The letter is signed by Reps Mike Thompson, Terri A. Sewell, Gwen S. Moore, and Danny K. Davis.
The second page of a letter from Ways and Means Democrats to the Acting Commissioner of the Internal Revenue Service (IRS). The page contains the signatures of additional members of Congress, including Suzan K. DelBene, Bradley Scott Schneider, Donald S. Beyer Jr., Steven Horsford, Judy Chu, Jimmy Panetta, John B. Larson, and Dwight Evans.
Davis residents: My team is hosting in-person office hours TOMORROW, September 15 from 2 to 4pm with the offices of Supervisor Sheila Allen and Supervisor Lucas Frerichs. Please drop in to discuss with my team any support you may need and stay tuned for more sessions throughout our district!
Flyer announcing office hours with Congressman Mike Thompson, Supervisor Sheila Allen, and Supervisor Lucas Frerichs. The event takes place Monday, September 15th, from 2:00 PM to 4:00 PM at the Davis Senior Center, 646 A Street, Davis, CA 95616. It invites the public to sit down with federal and local staff to discuss community issues. Includes seals of the U.S. House of Representatives and County of Yolo.
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Voting History
534 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
2026-01-14H. 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
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

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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