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
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Mike's ATmosphere Activity
20 recent posts · 24 sponsored · 118 cosponsored
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Recent ATmosphere posts, sponsorships, and cosponsorships.

Greg LeMond isn’t just a world-class athlete — he’s an American icon. Great to host a special bike expo in his honor ahead of today’s gold medal ceremony! Thank you to @peopleforbikes.bsky.social for helping make this happen.
Proud to have led the effort to award cycling legend Greg LeMond the Congressional Gold Medal. Greg’s athletic achievements and humanitarian work have left an indelible impact on our country.
Rep. Thompson with Former Rep. Graves, Speaker Johnson, and Greg LeMond with his family. Mr. LeMond is holding his gold medal and smiling.
The President’s plan to fire VA employees wasn’t just disrespectful, it was harmful. These planned firings may be reduced but this admin continues to fail our veterans with longer wait times and more barriers to care. We can’t afford to cut down on VA staff while we’re serving more vets than ever.
Proud to honor Napa’s own Cinthya Cisneros with the 2025 American Dream Award. From her roots in Michoacán to founding La Cheve Bakery and Brews, Cinthya represents the very best of entrepreneurship and community service. napavalleyregister.com/news/cinthya...
Heartbroken by the loss of life in the devastating flash flooding in Kerr County, Texas. My prayers are with the family and friends of those lost and missing. Thank you to the brave first responders who continue to lead recovery efforts, including those who have traveled from California to help.
Honored to present Edgar Ontiveros with the 2025 Lake County American Dream Award. From his early days in Clearlake to leading La Voz De la Esperanza, Edgar has worked tirelessly to expand access to care and support for the Latino community. www.record-bee.com/2025/06/30/n...
Honored to recognize Riitta De Anda as the 2025 American Dream Award recipient for Solano County. Riitta’s journey—from Finland to U.S. citizenship to business owner and dedicated community leader—represents the very best of the American Dream. www.thereporter.com/2025/07/01/r...
Lucerne residents: My team is hosting in-person office hours today, July 10th from 11am to 1pm. These office hours will be held in conjunction with the office of Assembly Majority Leader Cecilia Aguiar-Curry.
A graphic with text saying: Office Hours with the Offices of Congressman Mike Thompson & Assembly Majority Leader Cecilia Aguiar-Curry; Sit down with staff members of federal and state offices to discuss issues impacting you and our community; Thursday, July 10th; 11 AM to 1 PM at Lucerne Alpine Senior Center; 3985 Country Club Drive, Lucerne, CA 95458
Dixon residents: My team is hosting in-person office hours today, July 8th from 2 to 4pm. These office hours will be held in conjunction with the offices of CA State Senator Christopher Cabaldon and Assemblywoman Lori Wilson.
A graphic with text saying: Office Hours with the Offices of Congressman Mike Thompson, CA State Senator Christopher Cabaldon & Assemblywoman Lori Wilson; Sit down with staff members of federal, state, and local offices to discuss issues impacting you and our community; Tuesday, July 8th; 2:00 PM - 4:00 PM at Dixon City Hall; 600 East A Street, Dixon, CA 95620
Happy National Park and Recreation Month! Our national parks aren’t just beautiful — they’re vital to our environment, economy, and well-being. I’ll keep pushing for strong conservation policies, smart investments, and protections that keep these lands wild, accessible, and welcoming to all.
A graphic with a drawing of individuals hiking, and text saying: National Park and Recreation Month; July 2025
Nearly two and a half centuries ago, our nation was born with a promise of liberty and justice for all. This Independence Day, we remember the sacrifices of those who fought for our freedoms as we seek to make that promise come true for all Americans.
A graphic with an American flag in the center, Congressman Mike Thompson's logo on the bottom, and firework overlays, with text saying: Happy Independence Day; July 4, 1776
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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
2026-03-17H. Res. 1115 (119th)Approve resolutionNONOPassed
2026-03-17H. Res. 1115 (119th)End debate nowNONOPassed
2026-03-17S. 3971 (119th)Fast-track passageYESYESPassed
2026-03-17H.R. 4294 (119th)Fast-track passageYESYESPassed
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

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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