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.

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Voting Record — 534

Yes43%

No55%

Present1%

Not Voting1%

Party align97%

Cross-party2%

SoupScore

District Map

Congressional District 4

U.S. Census Bureau boundary data.

Social & Web

Official site Bluesky X @RepThompson Facebook YouTube

External Resources

Wikipedia Ballotpedia VoteSmart GovTrack OpenSecrets

Mike Thompson

U.S. RepresentativeDemocratCalifornia District 4

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Mike's ATmosphere Activity

20 recent posts · 23 sponsored · 117 cosponsored

View profile

Recent ATmosphere posts, sponsorships, and cosponsorships.

Rep. Mike Thompson@mikethompson.house.govJan 4(source)

I, along with most Democrats, have already called on the Speaker to convene the House immediately, and our position is unanimous:

Rep. Mike Thompson@mikethompson.house.govJan 4(source)

House Democrats met today to address the situation in Venezuela. There is no question that Maduro is a terrible person. There is also no question that Congress must be involved in any military operations.

Rep. Mike Thompson@mikethompson.house.govJan 4(source)

The Big Ugly Law cuts $226 billion in health care funding for California. The rural Health Fund offers only a fraction of that back, and it's nowhere near enough for our rural communities. These cuts hurt rural Californians who rely on access to care. www.pbs.org/newshour/hea...

Trump administration rolls out rural health funding, with strings attached

While every state applied for money from the Rural Health Transformation Program, it won't be distributed equally. And critics worry that the funding might be pulled back if a state's policies don't…

Rep. Mike Thompson@mikethompson.house.govJan 4(source)

Mental health is a real challenge facing our country and cutting investments in mental health research harms us all. By getting businesses on board, we can fund this important research sooner and help our communities tackle the causes of mental health conditions.

Rep. Mike Thompson@mikethompson.house.govJan 3(source)

My team and I are proud to serve #CA04! In 2025, we closed 2112 cases for constituents and recouped over $20 million in money owed to Fourth District residents. If you’re in need of help navigating a federal agency, please call my nearest office.

Rep. Mike Thompson@mikethompson.house.govJan 3(source)

Read my full statement on President Trump’s illegal military actions in Venezuela.

Rep. Mike Thompson@mikethompson.house.govJan 3(source)

I supported the Bipartisan Infrastructure Law because it invests in projects here in our community. Funding from the law is helping move forward the long-delayed rebuild of the Greenwood Avenue Bridge. napavalleyregister.com/news/history...

Historic Napa Valley stone bridge damaged in 2014 earthquake awaits rebirth

The 2014 South Napa earthquake dealt the Greenwood Avenue bridge near Calistoga a near-fatal blow. The historic stone bridge could be fixed in 2028.

Rep. Mike Thompson@mikethompson.house.govJan 2(source)

Health care costs are increasing because the ACA tax credits expired. I'm going back to DC to fight to extend the tax credits and protect your health care. www.cbsnews.com/news/aca-hea...

2026 price hikes hit ACA health insurance plans as subsidies expire for millions of Americans

Enhanced tax credits that have helped Americans offset the cost of Affordable Care Act health insurance for the last four years expired overnight.

Rep. Mike Thompson@mikethompson.house.govJan 2(source)

American Canyon residents: Join me for a town hall on Monday, January 5th at 5:30 pm at the Boys and Girls Club of Napa Valley. RSVP at this link: bit.ly/AmericanCany...

Rep. Mike Thompson@mikethompson.house.govJan 1(source)

Since 1970, the Clean Air Act has protected families from harmful pollution and improved public health nationwide. I’m committed to continuing that work to tackle climate change through clean energy solutions.

Rep. Mike Thompson@mikethompson.house.govJan 1(source)

Happy New Year! Looking forward to all that 2026 has in store.

Rep. Mike Thompson@mikethompson.house.govDec 31(source)

As we ring in the New Year, let’s celebrate safely and look out for one another by following these simple tips.

Rep. Mike Thompson@mikethompson.house.govDec 30(source)

Last year, my bill to deliver tax relief to wildfire victims was signed into law. This year, I’m happy to report that I worked with the IRS to ensure this relief was rolled out immediately to qualified survivors.

Rep. Mike Thompson@mikethompson.house.govDec 30(source)

Team Thompson helped over 2,000 people navigate issues with the federal government in 2025. Hear from Dan in Yolo County about how we were able to help!

Rep. Mike Thompson@mikethompson.house.govDec 29(source)

The American Affordability Act takes on the rising cost of living. It lowers costs for health care, housing, childcare, utilities, and groceries so families can get ahead.

Rep. Mike Thompson@mikethompson.house.govDec 29(source)

Team Thompson helped over 2,000 people navigate issues with the federal government in 2025. Hear from Paul in Sonoma County about how we were able to help!

Rep. Mike Thompson@mikethompson.house.govDec 28(source)

Our environment needs to be protected. That’s why I fought to establish and expand the Berryessa Snow Mountain National Monument, protecting more than 340,000 acres of wildland in Northern California’s Inner Coast Range.

Rep. Mike Thompson@mikethompson.house.govDec 28(source)

American Canyon residents: Join me for a town hall on Monday, January 5th at 5:30 pm at the Boys and Girls Club of Napa Valley. RSVP at this link: bit.ly/AmericanCany...

Rep. Mike Thompson@mikethompson.house.govDec 27(source)

Keeping our communities safe starts with keeping guns out of the hands of dangerous individuals. I’m fighting for a future free from gun violence.

Rep. Mike Thompson@mikethompson.house.govDec 27(source)

Team Thompson helped over 2,000 people navigate issues with the federal government in 2025. Hear from Mahdi in Solano County about how we were able to help!

← Newer postsPosts page 31Older posts →

Sponsored Bills(23)

H. Res. 1297 (119th)
Expressing support for the designation of May 17, 2026, as "Necrotizing Enterocolitis Awaren…
H. Res. 1145 (119th)
Supporting the goals and ideals of National Women's History Month.
H.R. 7810 (119th)
To amend the Higher Education Act of 1965 to set interest rates for Federal student loans ma…
H.R. 7636 (119th)
To amend the Internal Revenue Code of 1986 to establish the individual tariff refund credit.
H.R. 7381 (119th)
To amend the Internal Revenue Code of 1986 to impose a tax on damages received by the Presid…

Cosponsored Bills(117)

H.R. 8707 (119th)
To prohibit the use of funds to use military force in or against Iran, and for other purpose…
Joined: 2026-05-07
H.R. 8700 (119th)
To protect U.S. food security, provide the Committee on Foreign Investment in the United Sta…
Joined: 2026-05-07
H.R. 8653 (119th)
To direct the Secretary of Transportation to establish a grant program for demonstration pro…
Joined: 2026-05-04
H. Res. 1257 (119th)
Expressing support for the designation of May 5, 2026, as the "National Day of Awareness for…
Joined: 2026-05-04
H. Res. 1241 (119th)
Of inquiry requesting the President of the United States to furnish certain information to t…
Joined: 2026-04-30

Leadership

No leadership roles

Committees

SoupScore Breakdown

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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.

Date	Bill	Question	Position	Party Maj	Align?	Result
2025-02-07	H.R. 26 (119th)	Send back to committee	YES	YES	✓	Failed
2025-02-06	H.R. 27 (119th)	Final passage	YES	NO	✕↔	Passed
2025-02-06	H.R. 27 (119th)	Approve amendment	YES	YES	✓	Failed
2025-02-05	H. Res. 93 (119th)	Approve resolution	NO	NO	✓	Passed
2025-02-05	H. Res. 93 (119th)	End debate now	NO	NO	✓	Passed
2025-02-05	H.R. 776 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-02-04	H.R. 43 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-23	H.R. 21 (119th)	Final passage	NO	NO	✓	Passed
2025-01-23	H.R. 21 (119th)	Send back to committee	YES	YES	✓	Failed
2025-01-23	H.R. 471 (119th)	Final passage	YES	NO	✕↔	Passed
2025-01-23	H.R. 375 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-22	S. 5 (119th)	Final passage	NO	NO	✓	Passed
2025-01-22	H.R. 165 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-22	H. Res. 53 (119th)	Approve resolution	NO	NO	✓	Passed
2025-01-22	H. Res. 53 (119th)	End debate now	NO	NO	✓	Passed
2025-01-22	H.R. 187 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-21	H.R. 186 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-16	H.R. 30 (119th)	Final passage	NO	NO	✓	Passed
2025-01-16	H.R. 30 (119th)	Send back to committee	YES	YES	✓	Failed
2025-01-15	H.R. 33 (119th)	Final passage	YES	YES	✓	Passed
2025-01-15	H.R. 144 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-15	H.R. 164 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-14	H.R. 28 (119th)	Final passage	NO	NO	✓	Passed
2025-01-14	H.R. 28 (119th)	Send back to committee	YES	YES	✓	Failed
2025-01-14	H.R. 153 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-14	H.R. 152 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-13	H.R. 192 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-01-09	H.R. 23 (119th)	Final passage	NO	NO	✓	Passed
2025-01-07	H.R. 29 (119th)	Final passage	NO	NO	✓	Passed
2025-01-03	H. Res. 5 (119th)	Approve resolution	NO	NO	✓	Passed
2025-01-03	H. Res. 5 (119th)	Motion to Commit with Instructions	YES	YES	✓	Failed
2025-01-03	H. Res. 5 (119th)	End debate now	NO	NO	✓	Passed
2025-01-03	—	Election of the Speaker	NOT_VOTING	—	—	Johnson (LA)
2025-01-03	—	Call by States	PRESENT	—	—	Passed

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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