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.

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.
FACT: The Bureau of Labor Statistics reports that grocery prices rose in August, with many major food categories seeing continued inflation. Meats, poultry, fish and eggs are up 5.6% and fruit and vegetables are up nearly 2%. This was the biggest month-over-month increase since August 2022.
Upper Lake residents: My team is hosting in-person office hours Wednesday, September 17th from 12 to 2pm. Please drop in to discuss with my team any support you may need and stay tuned for more sessions throughout our district.
Graphic that advertises office hours Wednesday, September 17th from 12 to 2pm at the natural center at Rodman preserve 6350 Westlake Rd., Upper Lake
Today marks the 24th anniversary of the deadliest terrorist attack on American soil. As we remember the lives lost, we honor the survivors, first responders, and families whose lives were forever changed on September 11, 2001.
Image of NYC skyline with the words “never forget”
My team and I are proud to serve #CA04! So far this year, we’ve closed 1,539 cases for constituents and recouped $4.3 million in money owed to Fourth District residents. If you’re in need of help navigating a federal agency, please call my nearest office.
Graphic showing Rep. Thompson has helped return $4.3 million to constituents and closed 1,539 cases for constituents so far this year. If you need help, call Rep. Thompson's office at 202-225-3311
Davis residents: My team is hosting in-person office hours Monday, 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.
Graphic advertising office hours with Rep Thompson's team from 2-4pm on Monday September 15th at the Davis Senior Center, 646 A St Davis, CA 95616
After passing a law stripping 15 million Americans of their health care to pay for tax breaks for billionaires, the President and Congressional Republicans are trying to cover up their mess. No amount of rebranding will cover up this bad deal for hardworking Americans.
Graphic that shows 61% of Americans disapprove of the President's big ugly bill
This #HungerActionMonth, I continue to work to restore food security for the 14,000 of our community members who had their food access taken away by the President and Congressional Republicans.
A graphic acknowledging Hunger Action Month in September 2025. At the top, it includes the logo of Congressman Mike Thompson. Bold white and red-shadowed text in the center reads “Hunger Action Month,” followed by “September 2025” below. The background is dark blue with a light blue circle featuring silhouettes of a fork and spoon.
Despite all his good work, he remained deeply humble. John was the very definition of a public servant. Our state and our party have lost a tenacious fighter and he will be dearly missed. My thoughts are with those who loved John, may he rest in peace. (2/2) abc7news.com/amp/post/joh...
Deeply saddened by the passing of my friend and legendary lawmaker John Burton. Throughout his lifetime of public service, John never shied away from a fight. He spoke honestly and worked hard to improve the lives of the most vulnerable in our communities. (1/2)
SoupScore Breakdown
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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
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
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

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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