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 — 550

Yes44%

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

SoupScore

Mike's ATmosphere Activity

20 recent posts · 24 sponsored · 118 cosponsored

View profile

Recent ATmosphere posts, sponsorships, and cosponsorships.

Rep. Mike Thompson@mikethompson.house.govJun 23(source)

Rio Vista residents: My team is hosting in-person office hours today from 2:00 PM to 4:00 PM with CA State Senator Christopher Cabaldon’s team. Please drop-in to discuss with our staff members any support you may need and stay tuned for more sessions throughout our district.

Rep. Mike Thompson@mikethompson.house.govJun 23(source)

As a lifelong outdoorsman, I’ve always believed conservation is about more than protecting land — it’s about preserving California’s natural heritage for future generations.

Rep. Mike Thompson@mikethompson.house.govJun 23(source)

Proud to be recognized as CalWild’s 2025 California Conservation Champion — an incredible honor from an organization that’s been fighting to protect our public lands for nearly 50 years.

Link

Rep. Mike Thompson@mikethompson.house.govJun 22(source)

Read my full statement on the bombing of Iranian nuclear sites below.

“It is Congress’ Constitutional responsibility to debate and approve any use of military force. This is why I called on Speaker Johnson last week to reconvene the U.S. House of Representatives, and I am calling on him once again to call us back into session now. Members must be briefed immediately on the evolving situation in the Middle East so we can fulfill our Constitutional responsibilities.”

Rep. Mike Thompson@mikethompson.house.govJun 21(source)

In the U.S., 4.6 million children live in homes with access to an unlocked or unsupervised firearm. This #ASKDay, I’m urging parents and caretakers to ask whether there is an unlocked gun where your child plays.

Image that says “safe firearm storage saves lives. Keep your loved ones safe by storing firearms locked, unloaded, and separate from ammo”

Rep. Mike Thompson@mikethompson.house.govJun 21(source)

Thank you to the Rohnert Park Chamber of Commerce for your work to strengthen our local economy and connect our small business with the resources they need to thrive!

Rep Thompson speaking to chamber members

Rep. Mike Thompson@mikethompson.house.govJun 21(source)

Senate Republicans plan to sell off 250 million acres of our public lands is a betrayal of the American people. I’ll continue to fight this wrongheaded plan napavalleyregister.com/news/napa-mi...

Rep. Thompson criticizes Republican plan to sell public lands

Rep. Mike Thompson called a proposed sale of public land, possibly including lands in Napa County, a "betrayal of the American people."

Rep. Mike Thompson@mikethompson.house.govJun 20(source)

Good! We have an energy surplus and these tax provisions written by me help close the gap, generate private investment and create good jobs. The Senate needs to save these provisions.

Green energy credits phaseout divides Senate Republicans

How to phase out Biden-era green energy tax credits is emerging as a key flashpoint among Senate Republicans as they seek to advance their version of the “big, beautiful bill.” The Senate is taking…

Rep. Mike Thompson@mikethompson.house.govJun 20(source)

For 90 years, Social Security has been a promise to our nation’s workers that they will be able to retire safely and with dignity. I’m working to ensure the program stays strong for another 90 years and beyond. www.davisenterprise.com/news/thompso...

Thompson, O’Malley talk Social Security in Davis

Rep. Mike Thompson, D-St. Helena, was joined by the 17th commissioner of the Social Security Administration and former Maryland Gov. Martin O’Malley at the UC Davis Teaching and Learning Center

Rep. Mike Thompson@mikethompson.house.govJun 19(source)

Thank you CalWild for nearly 50 years of tireless work protecting California’s wildest natural places. Honored to be recognized for my work to help conserve nearly 4.7 million acres of our public lands. I’ll continue to fight to protect our public land for generations to come.

Rep. Mike Thompson@mikethompson.house.govJun 19(source)

Our local law enforcement have asked me to help stop ICE from labeling themselves as police on their uniforms. This practice is eroding the trust our local law enforcement have built with our immigrant communities and it’s hurting their ability to keep our community safe.

Proposed Legislation Would Prohibit Immigration Officials From Posing as Police | KQED

A bill introduced in Congress last week would bar immigration officials from wearing clothing that bears the word ‘police’ to ease mistrust of local law enforcement among immigrant families.

Rep. Mike Thompson@mikethompson.house.govJun 19(source)

On this day in 1865, news of the Emancipation Proclamation reached the last enslaved people in Galveston, Texas. Today, we celebrate the progress our nation has made and acknowledge that the fight for equality is far from over.

Rep. Mike Thompson@mikethompson.house.govJun 18(source)

The situation in Iran is developing fast. Speaker Mike Johnson, call the House back into session so Congress can be thoroughly briefed. And if the President believes direct military action is warranted, he needs to seek the authorization of Congress.

Rep. Mike Thompson@mikethompson.house.govJun 17(source)

The President and Congressional Republicans want you to believe that their big bill will cause an economic boom. The truth is that tax experts from across the political spectrum agree: This big, ugly bill will add trillions to our national debt. finance.yahoo.com/news/the-11-...

The $11 trillion gap between White House and economists on Trump's 'big, beautiful' bill

An array of economists have reached a similar conclusion: Trump's signature legislation comes with a price tag in the neighborhood of $3 trillion. They're all wrong, the White House says.

Rep. Mike Thompson@mikethompson.house.govJun 16(source)

A dangerous loophole in our background check system allowed the Mother Emanuel shooter to buy a gun without passing a background check. It’s time we pass sensible measures to expand background checks for gun purchases. abcnews4.com/news/local/l...

Loophole in gun background checks fuels legislative debate over reform

The loophole allowing gun buyers to obtain firearms before federal background checks are complete has sparked renewed debate among lawmakers.

Rep. Mike Thompson@mikethompson.house.govJun 16(source)

If you have been affected by the Trump Administration’s termination of federal workers or are facing benefit disruptions due to the chaos of this administration, please call my office or visit the page linked below for resources. mikethompson.house.gov/services/res...

Rep. Mike Thompson@mikethompson.house.govJun 15(source)

Happy Father’s Day to all the dads, stepdads, and father figures who guide us, support us, and show up every day with love and strength.

Rep. Mike Thompson@mikethompson.house.govJun 14(source)

Across the country, Americans are gathering to remind our president that he is no king. This is about defending the promise of a government by the people and for the people — and rejecting any attempt to put one man above the law.

Rep Thompson speaking to a constituent in a crowd

Rep Thompson talking to a constituent in a crowd

Rep Thompson shaking hands with constituents

Rep. Mike Thompson@mikethompson.house.govJun 14(source)

Join former Social Security Commissioner Martin O’Malley and me for Social Security town halls in Davis, Santa Rosa, and Napa on June 17th and 18th. Get your questions answered and learn how we’re defending your benefits. RSVP now: bit.ly/SocialSecurityTownHalls

Graphic that lists the following town halls:

Davis, Tuesday June 17 at 2pm
Santa Rosa, Wednesday June 18 at 11:30am
Napa, Wednesday June 18 at 2:30pm

RSVP at the link in the post caption.

Rep. Mike Thompson@mikethompson.house.govJun 14(source)

The Army marks its 250th birthday today! Thank you to my fellow army veterans and our current servicemembers for your dedication to protecting our nation.

Photo of Army service members saluting with the words “U.S. army est. June 14, 1775”

← Newer postsPosts page 67Older 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(118)

H.R. 9003 (119th)
To prohibit the United States Postal Service from finalizing, implementing, or enforcing a p…
Joined: 2026-05-21
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

Leadership

No leadership roles

Committees

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.

Date	Bill	Question	Position	Party Maj	Align?	Result
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Agreed to
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Agreed to
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Agreed to
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Agreed to
2025-09-10	H.R. 3838 (119th)	Approve amendment	NO	NO	✓	Agreed to
2025-09-10	H.R. 3838 (119th)	Approve amendment	YES	YES	✓	Agreed to
2025-09-09	H. Res. 682 (119th)	Approve resolution	NO	NO	✓	Passed
2025-09-09	H. Res. 682 (119th)	End debate now	NO	NO	✓	Passed
2025-09-08	H.R. 3425 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-09-08	H.R. 3424 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-09-04	H.R. 4553 (119th)	Final passage	NO	NO	✓	Passed
2025-09-04	H.R. 4553 (119th)	Send back to committee	YES	YES	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.R. 4553 (119th)	Approve amendment	NO	NO	✓	Failed
2025-09-04	H.J. Res. 105 (119th)	Final passage	NO	NO	✓	Passed
2025-09-04	H.J. Res. 106 (119th)	Final passage	NO	NO	✓	Passed
2025-09-04	H.J. Res. 104 (119th)	Final passage	NO	NO	✓	Passed
2025-09-03	H. Res. 539 (119th)	Kill the motion	YES	YES	✓	Passed
2025-09-03	H. Res. 672 (119th)	Approve resolution	NO	NO	✓	Passed
2025-09-03	H. Res. 672 (119th)	End debate now	NO	NO	✓	Passed
2025-09-02	H.R. 747 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-09-02	H.R. 4216 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-23	H.R. 4275 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-23	H.R. 3357 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-22	H.R. 1917 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-22	H.R. 3937 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-21	H.R. 3351 (119th)	Fast-track passage	YES	YES	✓	Passed
2025-07-21	H.R. 3095 (119th)	Fast-track passage	NO	NO	✓	Passed
2025-07-18	H.R. 4016 (119th)	Final passage	NO	NO	✓	Passed
2025-07-18	H.R. 4016 (119th)	Send back to committee	YES	YES	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H.R. 4016 (119th)	Approve amendment	NO	NO	✓	Failed
2025-07-18	H. Res. 590 (119th)	Approve resolution	NO	NO	✓	Passed
2025-07-18	H. Res. 590 (119th)	End debate now	NO	NO	✓	Passed
2025-07-17	H.R. 1919 (119th)	Final passage	NO	NO	✓	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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