Representative Review

Mike Thompson

U.S. Representative for CA-4 (Democratic)

Representative Review
Representative Review Published September 27, 2026
Official portrait of Mike Thompson
Official portrait of Mike Thompson

Mike Thompson is the U.S. Representative for CA-4, a member of the Democratic party, serving in this chamber since 1999.

Person details

Full legal name
Mike Thompson
Birth year
1951
Office
U.S. Representative for CA-4
Role
U.S. Representative
Level of government
Federal
State
CA
District
CA-4
Party affiliation
Democratic
Year took office
1999
In office
Yes
Bioguide ID
T000460

Committees

Voting record

Votes more liberally than 75% of the House in the 119th Congress, across 569 roll-call votes.

Source: Voteview (Lewis, Poole, Rosenthal et al.), estimated from every roll-call vote.

Campaign finance

2025–2026 election cycle, through June 30, 2026.

Raised
$4,204,013
Spent
$4,337,765
Cash on hand
$1,075,737
From individuals
$2,282,283

Debts owed by the campaign: $37,712.

Source: Federal Election Commission.

On social media

Recent posts

  1. Recently, only 12% of semiconductor chips were being manufactured in the US. With the passage and signing of the CHIPS and Science Act, our nation is once again leading in semiconductor manufacturing, solidifying our position as an economic and technological world power.

    Mastodon View post

  2. No one should have to empty their pocketbooks trying to afford medication. Thanks to the Inflation Reduction Act, no senior on Medicare has to pay more than $35 for insulin. Let’s finish the job and make that the case for all Americans.

    Mastodon View post

  3. I agree with President Biden and Democrats that Social Security and Medicare should not be cut. Good to hear a deal struck on national TV that the other side agrees cuts are off the table.

    Mastodon View post

  4. It’s ironic that House Republicans are reading the Constitution on the House floor as the extremist judges they support tear up the Constitutional protections for victims of domestic violence. While they engage in this performance on the House floor, their support for extremism will lead to victims of domestic abuse getting killed.

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  5. The recent ruling in Fifth Circuit is highly disturbing — it allows people who have restraining orders against them for domestic violence to access firearms. This is an incredibly misguided ruling and will only lead to more gun violence.

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  6. Heading to El Paso today with Rep. Veronica Escobar and a number of my colleagues for another visit to the border. I will see firsthand the challenges we are facing and will hear from border patrol, local law enforcement, migrants, and advocates about their experiences.

    Mastodon View post

  7. After two mass shootings in California that claimed 18 lives, there were two moments of silence on the floor of the House. California Members of Congress stood together to pay respects to those murdered and their families. Sadly, not a single California Republican participated. Disgusting.

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  8. Thanks to the Inflation Reduction Act, seniors on Medicare will pay no more than $35 for insulin per month. This translates to thousands of dollars of savings and real relief for millions of Americans.

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  9. The 1st thing the new Republican majority did was do away with a requirement to pay for legislation that is passed. The 2nd was pass a bill that would add $114 billion to our national debt. The new majority is putting the wealthy and well-connected over hard-working Americans.

    Mastodon View post

  10. More extremist MAGA Republicans are shamelessly soliciting money for their efforts to prevent a Speaker from being sworn in and Congress from serving the American people. This is despicable behavior. https://www.axios.com/2023/01/06/republicans-mccarthy-fundraising

    Mastodon View post

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