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.

It’s been 32 years since President Clinton signed the Brady Bill, requiring background checks for all purchases from federally licensed firearm dealers. This law has kept millions of guns out of dangerous hands.
Four years ago today, four students were murdered at Oxford High School in Michigan. We honor their memory, stand with the Oxford community, and recommit ourselves to doing everything we can to prevent gun violence and keep our kids safe.
This Small Business Saturday, let’s show up for the local shops and entrepreneurs who help our neighborhoods thrive. Thanks for supporting the businesses that make our community special.
Family caregivers make huge personal and financial sacrifices, and they deserve more than just gratitude. That’s why I introduced the bipartisan Lowering Costs for Caregivers Act to help ease the financial burden families face.
Trump’s tariffs and inflation are making this holiday season more expensive than last year, and people are spending less on gifts to stretch their dollars. This isn’t a partisan issue – everyone is hurting from these tariffs. www.cnbc.com/2025/11/24/b...
Horrified by the shooting of two National Guard members in Washington, D.C. today. We owe a debt to every man and woman who serves our country and it is unimaginable that someone would commit this senseless act of violence against members of our military. (1/2)
The Litigation & Response Task Force is fighting to uphold the rule of law in our country, and joining their efforts will ensure that all illegal actions taken by this administration will be held to account. Democrats are here fighting for our constitution.
The student leadership council is in its 9th year with over 250 alumni and over 150 students participating this year alone! These future leaders are learning the skills they need to succeed firsthand from community leaders.
Another successful student leadership council event! This week, Sonoma County Supervisor Rebecca Hermosillo talked with students about her role on the Sonoma County Board and what they can do to get more involved in their communities.
Proud to have secured $375,000 in federal funds to purchase a truck and kickstart Yolo Food Bank’s mobile pantry program to bring fresh, locally sourced food to our community members.
Grateful to join our neighbors, local leaders, and the Sonoma Valley Visitors Bureau for their annual lighting ceremony. It’s always a joy to welcome in the festive season while we celebrate our community and support small businesses. Happy holidays, Sonoma!
Proud to have helped NVTA secure a $6.8 million federal grant to purchase six new hybrid-electric buses for our Vine Transit system. With these new buses, NVTA will both improve rider experience and reduce emissions. It’s a win-win for Napa residents and our planet.
Yountville’s annual lighting ceremony showcased everything that makes our community special: the Chamber of Commerce and Town bringing neighbors together, the Boys & Girls Club of Napa Valley collecting toys for families in need, and the Napa High Vocal Music Workshop filling the air with music.
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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
2025-09-10H.R. 3838 (119th)Approve amendmentNONOAgreed to
2025-09-10H.R. 3838 (119th)Approve amendmentNONOAgreed to
2025-09-10H.R. 3838 (119th)Approve amendmentYESYESAgreed to
2025-09-09H. Res. 682 (119th)Approve resolutionNONOPassed
2025-09-09H. Res. 682 (119th)End debate nowNONOPassed
2025-09-08H.R. 3425 (119th)Fast-track passageYESYESPassed
2025-09-08H.R. 3424 (119th)Fast-track passageYESYESPassed
2025-09-04H.R. 4553 (119th)Final passageNONOPassed
2025-09-04H.R. 4553 (119th)Send back to committeeYESYESFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.R. 4553 (119th)Approve amendmentNONOFailed
2025-09-04H.J. Res. 105 (119th)Final passageNONOPassed
2025-09-04H.J. Res. 106 (119th)Final passageNONOPassed
2025-09-04H.J. Res. 104 (119th)Final passageNONOPassed
2025-09-03H. Res. 539 (119th)Kill the motionYESYESPassed
2025-09-03H. Res. 672 (119th)Approve resolutionNONOPassed
2025-09-03H. Res. 672 (119th)End debate nowNONOPassed
2025-09-02H.R. 747 (119th)Fast-track passageYESYESPassed
2025-09-02H.R. 4216 (119th)Fast-track passageYESYESPassed
2025-07-23H.R. 4275 (119th)Fast-track passageYESYESPassed
2025-07-23H.R. 3357 (119th)Fast-track passageYESYESPassed
2025-07-22H.R. 1917 (119th)Fast-track passageYESYESPassed
2025-07-22H.R. 3937 (119th)Fast-track passageYESYESPassed
2025-07-21H.R. 3351 (119th)Fast-track passageYESYESPassed
2025-07-21H.R. 3095 (119th)Fast-track passageNONOPassed
2025-07-18H.R. 4016 (119th)Final passageNONOPassed
2025-07-18H.R. 4016 (119th)Send back to committeeYESYESFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H.R. 4016 (119th)Approve amendmentNONOFailed
2025-07-18H. Res. 590 (119th)Approve resolutionNONOPassed
2025-07-18H. Res. 590 (119th)End debate nowNONOPassed
2025-07-17H.R. 1919 (119th)Final passageNONOPassed
2025-07-17S. 1582 (119th)Final passageYESNOPassed
2025-07-17H.R. 3633 (119th)Final passageYESNOPassed
2025-07-17H. Res. 580 (119th)Approve resolutionNONOPassed
2025-07-16H. Res. 580 (119th)Motion to ReconsiderNONOPassed

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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