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: Wikipedia • View full (CC BY-SA)

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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 · 24 sponsored · 117 cosponsored

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Recent ATmosphere posts, sponsorships, and cosponsorships.

Rep. Mike Thompson@mikethompson.house.govSep 6(source)

#FactCheckFriday The President and Congressional Republicans are rebranding their Big, Ugly Law to the “Working Families Tax Cut Bill.” (1/3)

A chart showing how the Trump tax cuts were distributed among different income groups in the U.S., as projected for 2026. The wealthiest 20% of Americans received the biggest share of the tax cuts: 72% of the total. The richest 1% alone got 22% of the total tax cuts. The middle 20% of income earners received 10% of the tax cuts. The poorest 20% of Americans received 0% of the tax cuts.

Rep. Mike Thompson@mikethompson.house.govSep 5(source)

If Republicans allow the ACA tax credits to expire, health care costs will go up for Americans. Glad Republicans are finally joining Democrats to support extending these credits that are helping millions afford their health care. www.politico.com/news/2025/09...

Screenshot of a Politico article highlighting that ACA subsidies were created in 2021, extended through 2025, and championed by Democrats without Republican support. It notes that the enhanced tax credits have significantly lowered premiums and boosted enrollment, warning premiums could rise 18% in 2026 if not extended.

Rep. Mike Thompson@mikethompson.house.govSep 5(source)

Led 130 Democrats to call on Speaker Johnson to put America’s prayers for safety into action. Gun violence is the leading cause of death for children, teenagers and law enforcement. It’s time GOP leadership works with Democrats to address this epidemic.

Page one of a congressional letter to Speaker Mike Johnson dated September 2, 2025. It cites more than 74,000 killed and 55,000 injured by gun violence since his election, references a Minnesota school shooting, and lists past bipartisan laws—like the National Firearms Act, Brady Act, and Bipartisan Safer Communities Act—that reduced gun violence.

Page two of a congressional letter to Speaker Mike Johnson from Reps. Mike Thompson and Lloyd Doggett. The letter calls on Republican leaders to join Democrats in protecting children from gun violence and criticizes GOP policies weakening enforcement. Both members’ signatures appear at the bottom.

Rep. Mike Thompson@mikethompson.house.govSep 5(source)

August’s jobs report is alarming, coming in well below economic estimates. In addition, unemployment rose to 4.3 percent. The President’s economic agenda is slowing our economy. www.reuters.com/business/ins...

Instant view: US job growth slows sharply in August, unemployment rate ticks higher

NEW YORK, Sept 5 (Reuters) - The pace of U.S. job growth slowed more than expected in August, and the unemployment rate increased, pointing to signs of slowing labor market conditions and boosting expectations the Federal Reserve will need to be more aggressive in cutting interest rates.

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

Forty-four percent of global medical research comes from the United States and here in our district, UC Davis conducted $4 billion worth of research last year. Cutting research means we will lose treatments, lose talent, lose investments, and harm our economy. (2/2) www.axios.com/2025/09/03/t...

House Republicans break from Trump over NIH funding

It shows how far House Republicans will bend to the Trump administration's designs for the agency.

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

Our combined efforts to call out the bad policies of this administration are gaining support. Glad that House GOP members have joined Democrats to say “no” to the President’s cuts to NIH research funding. (1/2)

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

One year ago today, four people were killed and nine more were injured in a mass shooting at Apalachee High School in Georgia. Enough is enough. While a number of Republicans have joined our efforts to address gun violence, I urge more to join us to pass sensible legislation to keep our kids safe.

Graphic that lists the names of the victims of the Apalachee high school shooting

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

Thank you to the over 1,000 Health and Human Services employees who are calling out RFK Jr. for his dangerous health misinformation. He is endangering Americans’ health and it’s time he resigns. www.cbsnews.com/news/hhs-sta...

Over 1,000 HHS staffers call on Trump to fire RFK Jr. for "endangering the nation's health"

A large group of current and former HHS staffers are pushing for Robert F. Kennedy Jr. to either resign or be fired, after weeks of tumult at the health agency.

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

Jeffrey Epstein’s survivors deserve justice and transparency and so do the American people. I’ve signed onto the bipartisan petition to force Speaker Johnson to hold a vote on releasing the Epstein files in full. All we need are two more Republicans to join us to make it happen.

Epstein accusers put pressure on Congress to release the files

Reps. Thomas Massie and Ro Khanna say they need just two more Republicans to force a vote. But the White House and GOP leaders are frantically working to quash the rebellion.

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

I’m back in Washington, D.C. and the National Guard are out in full force. They must be looking for the Epstein files!

Photo of a group of National Guard troops in front of Union Station in DC

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

Every year I am so proud to host my Student Leadership Council with Majority Leader Cecilia Aguiar-Curry. If you’re a high school student interested in public service, consider signing up for this year’s program! Sign up at mikethompson.house.gov.

Representative Mike Thompson

Mike Thompson represents California's 4th Congressional District. The district includes all of Napa and Lake Counties and parts of Solano, Sonoma, and Yolo Counties. He was first elected in 1998.…

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

Thanks to the President and Congressional Republicans’ decision to gut the clean energy tax credits I wrote, $14 billion in clean energy projects have already been canceled or delayed. America should be leading the clean energy future, not turning our back to it and ceding leadership to China.

$14 billion in clean energy projects have been canceled in the US this year, analysis says

A new analysis finds that more than $14 billion in clean energy projects in the U.S. have been canceled this year.

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

Fourth District high school seniors: If you are planning to apply to one of our nation’s military service academies, my nomination portal is NOW OPEN. Packets are due October 17, 2025. For more information, visit: mikethompson.house.gov/services/aca...

Academy Nominations

Each year, Congressman Thompson nominates outstanding high school graduates from California's Fourth Congressional District for appointment to the U.S.

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

Rural Americans can expects their out-of-pocket premiums to rise 107 percent thanks to the President and Congressional Republicans’ Big Ugly Law. This is bad policy and hurts rural communities like ours the most.

Rural Americans Face Unprecedented Price Hikes for Health Care

The implications of actions by the Trump administration and congressional leadership are becoming increasingly clear: overall private health insurance

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

Today, on Labor Day, we honor the achievements of American workers. From securing safer working conditions to establishing the 40-hour work week, union workers have built a stronger, fairer, and more prosperous nation.

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

The President’s tariffs will add nearly $2,000 to the cost of a new car and increase repair costs for all car owners. This is bad for our local car dealerships and bad for families in our community. www.timesheraldonline.com/2025/08/22/v...

Vallejo, Napa car dealerships gear up to cope with Trump’s tariffs

Auto dealerships in Vallejo and Napa are doing what they can to soften the effects of President Trump’s tariffs, while a Vallejo used car dealer is already feeling the pain. While the tariffs affec…

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

So once the President, Speaker Johnson, & Majority Leader Thune are done praying, I invite them to stand up and do something. Work with Dems to pass legislation to keep our kids safe. Until then, the blood of every child gunned down across our country is on their hands. thehill.com/homenews/sta...

Link

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

Republicans prayed after Columbine, and Sandy Hook, and Uvalde. The list goes on. If prayer alone could end gun violence, we’d be the safest country on earth by now. (1/2)

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

Proud to have worked with Tribal leaders, dam owners, the fishing community, outdoorsmen and women, and local community members toward restoring this incredible river.

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

Fantastic to read about the dedication of this team of young, Indigenous kayakers. Congratulations on becoming the first people in 100 years to paddle all 310 miles of newly undammed Klamath River! www.sfchronicle.com/projects/202...

Indigenous teens paddled 310 miles of newly undammed Klamath River

How this group of teenagers became the first people in 100 years to paddle all 310 miles of newly undammed Klamath River.

← Newer postsPosts page 54Older posts →

Sponsored Bills(24)

H.R. 8910 (119th)
To amend the Internal Revenue Code of 1986 to impose a tax on specified settlement fund paym…
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.

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
2025-12-16	H. Res. 951 (119th)	End debate now	NO	NO	✓	Passed
2025-12-16	H.R. 3187 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-12-15	S. 284 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-12-12	H.R. 3668 (119th)	Final passage	NO	NO	✓	Passed
2025-12-12	H.R. 3668 (119th)	Send back to committee	YES	YES	✓	Failed
2025-12-11	H.R. 2550 (119th)	Final passage	YES	YES	✓	Passed
2025-12-11	H. Res. 432 (119th)	Approve resolution	YES	YES	✓	Passed
2025-12-11	H.R. 3898 (119th)	Final passage	NO	NO	✓	Passed
2025-12-11	H.R. 3898 (119th)	Send back to committee	YES	YES	✓	Failed
2025-12-11	H.R. 3383 (119th)	Final passage	NO	NO	✓	Passed
2025-12-11	H.R. 3383 (119th)	Approve amendment	YES	YES	✓	Failed
2025-12-11	H.R. 3383 (119th)	Approve amendment	YES	YES	✓	Failed
2025-12-11	H.R. 3383 (119th)	Approve amendment	NO	NO	✓	Failed
2025-12-11	H.R. 3638 (119th)	Final passage	YES	NO	✕↔	Passed
2025-12-11	H.R. 3628 (119th)	Final passage	NO	NO	✓	Passed
2025-12-11	H. Res. 939 (119th)	Kill the motion	NO	NO	✓	Passed
2025-12-10	H. Res. 432 (119th)	Motion to Discharge	YES	YES	✓	Passed
2025-12-10	S. 1071 (119th)	Final passage	YES	YES	✓	Passed
2025-12-10	S. 1071 (119th)	Motion to Commit	YES	YES	✓	Failed
2025-12-10	H. Res. 936 (119th)	Approve resolution	NO	NO	✓	Passed
2025-12-10	H. Res. 936 (119th)	End debate now	NO	NO	✓	Passed
2025-12-10	H.R. 1676 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-12-09	S. 356 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-12-04	H.R. 1049 (119th)	Final passage	NO	NO	✓	Passed
2025-12-04	H.R. 1069 (119th)	Final passage	NO	NO	✓	Passed
2025-12-03	H.R. 1005 (119th)	Final passage	NO	NO	✓	Passed
2025-12-03	H.R. 4305 (119th)	Final passage	NO	NO	✓	Passed
2025-12-03	H.R. 2965 (119th)	Final passage	NO	NO	✓	Passed
2025-12-02	H. Res. 916 (119th)	Approve resolution	NO	NO	✓	Passed
2025-12-02	H. Res. 916 (119th)	End debate now	NO	NO	✓	Passed
2025-12-02	H.R. 4423 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-12-01	H.R. 5348 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-11-20	H.R. 3109 (119th)	Final passage	NO	NO	✓	Passed
2025-11-20	H. Res. 893 (119th)	Motion to Refer	YES	YES	✓	Passed
2025-11-20	H.R. 6019 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-11-20	H.R. 4058 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-11-20	H.R. 5107 (119th)	Final passage	NO	NO	✓	Passed
2025-11-20	H.R. 5214 (119th)	Final passage	NO	NO	✓	Passed
2025-11-19	H. Res. 888 (119th)	Approve resolution	NO	NO	✓	Failed
2025-11-19	S.J. Res. 80 (119th)	Final passage	NO	NO	✓	Passed
2025-11-19	H.J. Res. 131 (119th)	Final passage	NO	NO	✓	Passed
2025-11-19	H.J. Res. 130 (119th)	Final passage	NO	NO	✓	Passed
2025-11-18	H. Res. 888 (119th)	Motion to Refer	YES	YES	✓	Failed
2025-11-18	H. Res. 878 (119th)	Approve resolution	NO	NO	✓	Passed
2025-11-18	H. Res. 879 (119th)	Approve resolution	NO	NO	✓	Passed
2025-11-18	H. Res. 879 (119th)	End debate now	NO	NO	✓	Passed
2025-11-18	H.R. 4405 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-11-18	H. Res. 878 (119th)	Kill the motion	YES	YES	✓	Failed
2025-11-18	H.R. 2659 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-11-17	H.R. 1608 (119th)	Fast-track passage	YES	YES	✓	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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