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.

Three years ago, President Biden signed our Inflation Reduction Act into law, which included the renewable energy investments I wrote. Since then, an estimated $208 million has already been invested in renewable energy projects in our district alone. rhg.com/research/ass...
It’s time we tackle the insurance crisis here in California. Proud to lead a bipartisan bill to help homeowners in disaster-prone areas harden their properties against disaster, reducing risk and bringing insurers back into our market. Read more below. mikethompson.house.gov/newsroom/pre...
She’s right, our national debt is out of control and will saddle our kids and grandkids. Yet Rep. Mace and nearly every House Republican voted to pass their One Big Ugly Bill, which non-partisan experts agree will add another $4.5 trillion to our debt. Read more for yourself.
Social Security changed America for the better. On its 90th birthday, I’m committed to protecting these hard-earned benefits and stop this president’s attacks on the Social Security Administration.
Graphic celebrating the 90th anniversary of Social Security. The background shows an elderly couple sitting closely together on a bench, viewed from behind, with a warm yellow overlay. Large black text at the top reads, “90 Years of Changing Lives.” Below, in all caps, it says, “Happy Birthday, Social Security,” with “Social Security” highlighted in black letters on a yellow banner. At the bottom, smaller text reads, “August 14, 2025.”
My team and I are proud to serve #CA04! So far this year, we’ve closed 1,401 cases for constituents and recouped $2.46 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 titled "Serving Our District – July 2025" featuring Congressman Mike Thompson. It highlights that $2.46 million was returned to Fourth District residents from the federal government in 2025, and 1,401 federal cases were closed for residents. At the bottom, there's a call to action: “Need help with a federal agency? Contact me today!” with a website (mikethompson.house.gov) and phone number (202-225-3311). Congressman Thompson is pictured on the right, smiling in a suit and tie. Background is red, white, and blue with a dotted pattern.
Planned Parenthood serves both men and women, providing cancer screening, STI testing, access to contraception, and more. The President and Congressional Republicans’ cuts to Planned Parenthood threaten this essential care.
Visited with a local Planned Parenthood in our district. For more than 100 years, Planned Parenthood has provided affordable, safe, and accessible care to communities across our nation.
Congressman Mike Thompson poses for a photo with local Planned Parenthood staff in front of a Planned Parenthood.
Middle and High Schoolers in #CA04, don’t forget to apply for my 2025 Congressional App Challenge! Design an original app for a chance to have it featured in the U.S. Capitol for one year. Learn more below.
Graphic with a blue circuit board background featuring text that reads "Apply Now" at the top. Below, the logo for the "Congressional App Challenge" is displayed. The deadline to apply is emphasized in red text: "Apply by October 30th." Additional text reads: "For more information, scan or visit: bit.ly/ThompsonAppChallenge." A QR code is shown for easy access. At the bottom, there's a logo for Congressman Mike Thompson.
Now, the President has fired thousands of veterans, attacked the VA, and terminated veterans’ union contracts. I’ll continue to fight back to protect those who have served our country.
#ArdenFire Lucerne (Lake County): A temporary evacuation point is being established in the parking lot of East Lake Elementary School in Clearlake Oaks, CA located at 13050 High Valley Rd, Clearlake Oaks, CA 95423. All evacuation traffic is to head east on HWY 20 towards Clearlake Oaks.
Three years ago today, President Biden signed the historic CHIPS and Science Act into law to bring chip manufacturing back to the USA. This was responsible for over $395 billion in private sector investments and created over 115,000 jobs. www.theguardian.com/us-news/2025...
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
2026-05-21H.R. 6047 (119th)Final passageNONOPassed
2026-05-21H.R. 1041 (119th)Final passageNONOPassed
2026-05-21H.R. 1041 (119th)Send back to committeeYESYESFailed
2026-05-21H.R. 1329 (119th)Final passageNONOFailed
2026-05-21H.R. 1329 (119th)Send back to committeeYESYESFailed
2026-05-20H. Res. 1300 (119th)Approve resolutionNONOPassed
2026-05-20H. Res. 1300 (119th)End debate nowNONOPassed
2026-05-20H.R. 2616 (119th)Final passageNONOPassed
2026-05-20H.R. 2616 (119th)Send back to committeeYESYESFailed
2026-05-20H.R. 1993 (119th)Fast-track passageYESYESPassed
2026-05-20S. 1003 (119th)Fast-track passageYESYESPassed
2026-05-20S. 2393 (119th)Fast-track passageYESYESPassed
2026-05-20H.R. 5317 (119th)Fast-track passageYESYESPassed
2026-05-20H.R. 4544 (119th)Fast-track passageYESYESPassed
2026-05-20H.R. 3234 (119th)Fast-track passageYESYESPassed
2026-05-20H. Res. 1299 (119th)Motion to Suspend the Rules and AgreeYESYESPassed
2026-05-15H.R. 8469 (119th)Final passageYESYESPassed
2026-05-15H.R. 8469 (119th)Approve amendmentNONOFailed
2026-05-14H.R. 8365 (119th)Final passageNONOPassed
2026-05-14H.R. 8365 (119th)Send back to committeeYESYESFailed
2026-05-14H.R. 5625 (119th)Final passageNONOPassed
2026-05-14H. Con. Res. 75 (119th)Approve resolutionYESYESFailed
2026-05-14H.R. 6260 (119th)Final passageNONOPassed
2026-05-14H.R. 6260 (119th)Send back to committeeYESYESFailed
2026-05-13H. Res. 1259 (119th)Motion to Suspend the Rules and AgreeYESYESPassed
2026-05-13H. Res. 1251 (119th)Motion to Suspend the Rules and AgreeYESYESPassed
2026-05-13H. Con. Res. 96 (119th)Approve resolutionNONOPassed
2026-05-13H.R. 1346 (119th)Final passageYESNOPassed
2026-05-13H.R. 1346 (119th)Send back to committeeNONOFailed
2026-05-13H. Res. 1252 (119th)Motion to Suspend the Rules and AgreeYESYESPassed
2026-05-13H. Res. 1274 (119th)Approve resolutionNONOPassed
2026-05-13H. Res. 1274 (119th)End debate nowNONOPassed
2026-05-13H. Res. 1275 (119th)Approve resolutionNONOPassed
2026-05-13H. Res. 1275 (119th)End debate nowNONOPassed
2026-05-12H.R. 2853 (119th)Fast-track passageYESYESPassed
2026-05-12H.R. 2071 (119th)Fast-track passageYESYESPassed
2026-04-30S. 4465 (119th)Fast-track passageNOYESPassed
2026-04-30H.R. 7567 (119th)Final passageNONOPassed
2026-04-30H.R. 7567 (119th)Send back to committeeYESYESFailed
2026-04-30H.R. 7567 (119th)Approve amendmentNONOAgreed to
2026-04-30H.R. 7567 (119th)Approve amendmentYESNOFailed
2026-04-30H.R. 7567 (119th)Approve amendmentYESYESAgreed to
2026-04-30H.R. 7567 (119th)Approve amendmentNONOFailed
2026-04-30H.R. 7567 (119th)Approve amendmentYESYESAgreed to
2026-04-30H.R. 7567 (119th)Approve amendmentNONOFailed
2026-04-30H.R. 7567 (119th)Approve amendmentYESYESAgreed to
2026-04-30H.R. 7567 (119th)Approve amendmentYESYESAgreed to
2026-04-30H.R. 7567 (119th)Approve amendmentYESNOFailed
2026-04-30S. Con. Res. 33 (119th)Approve resolutionNONOPassed
2026-04-29S. 1318 (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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