Mike Thompson represents California in the United States House of Representatives (CA District 4). This public record brings together the office held, published Baseline checks, public statements, and recent coverage in one place.
HRES1498On Agreeing to the ResolutionIn the matter of allegations relating to Representative Chuck EdwardsBill record ↗Official roll call ↗
Armed forces and national security
Passed413–2
Nay
HR9436On PassageTo amend the Consolidated Appropriations Act, 2023 to extend the time period for which certain regulations concerning the North Atlantic right whale are effectiveOfficial roll call ↗
Economics and public finance
Passed219–196
Yea
HR9436On Motion to RecommitTo amend the Consolidated Appropriations Act, 2023 to extend the time period for which certain regulations concerning the North Atlantic right whale are effectiveBill record ↗Official roll call ↗
Animals
Failed202–212
Nay
HRES1490On Agreeing to the ResolutionProviding for the condemnation and denouncement of socialism in all its forms, and for other purposesBill record ↗Official roll call ↗
Government Operations and Politics
Passed220–192
Nay
HRES1499On Agreeing to the ResolutionProviding for consideration of the bills (H.R. 1501, H.R. 9436, and H.R. 4795); providing for consideration of the resolution (H. Res. 1490); and relating to consideration of motions to suspend the rulesOfficial roll call ↗
Other floor business
Passed210–208
Nay
HRES1499On Ordering the Previous QuestionProviding for consideration of the bills (H.R. 1501, H.R. 9436, and H.R. 4795); providing for consideration of the resolution (H. Res. 1490); and relating to consideration of motions to suspend the rulesBill record ↗Official roll call ↗
Congress
Passed212–205
Nay
HR6500On Motion to Suspend the Rules and Concur in the Senate AmendmentsAGOA Extension ActOfficial roll call ↗
These are descriptive measures of roll-call behavior, not judgments about truthfulness, effectiveness, or constituent approval.
Vote leaningMore liberal
-0.392
More liberalCenterMore conservative
Based on 555 roll-call observations in the 119th Congress. This is Voteview DW-NOMINATE, an estimate from roll-call behavior—not a Baseline rating. Read the method ↗ or see our evidence rules.
Issue record
Where roll calls fall
Other floor business192
Congress72
Economics and public finance61
Armed forces and national security29
Energy27
Crime and law enforcement26
Commerce25
Policy areas come from Voteview’s Congressional Research Service fields, with plain-language fallback categories when no CRS label is supplied.
Source: Voteview members’ votes ↗. Lewis, Poole, Rosenthal, Boche, Rudkin, and Sonnet (2026), Voteview: Congressional Roll-Call Votes Database.
The Baseline desk
Published claim checks
Claim checks are reviewed editorial work. They are separate from the voting-data summaries above.
No published checks yet
When The Baseline verifies and publishes a check on a claim by Mike Thompson, it will appear here with its evidence and primary sources. An empty record is not a rating.
Recent coverage
What is being reported
Current reporting about Mike Thompson, gathered through Brave Search. Headlines and summaries belong to their publishers and are not Baseline verdicts.
mikethompson.house.gov
Biography | Representative Mike Thompson
Mike Thompson represents California’s 4th Congressional District, which includes all or parts of Lake, Napa, Solano, Sonoma, and Yolo Counties. Thompson serves on the House Committee on Ways and Means, where he is Ranking Member of the Subcommittee on Tax and a senior member of the Health Subcommittee. From an early age, Rep. Thompson learned the value of hard work and service to country. The grandson of Italian immigrants, he was born and grew up ...
Thompson (Democratic Party) is running for re-election to the U.S. House to represent California's 4th Congressional District. He declared candidacy for the primary scheduled on June 2, 2026. ... Mike Thompson was born in St. Helena, California, in 1951. Thompson graduated from St.
Mike Thompson faces well-funded Democrat for CA Congress seat | Sacramento Bee
The 4th Congressional District for California in the U.S. House of Representatives. The Sacramento Bee · The incumbent Democratic congressman and a challenger from the same party established themselves as the most formidable candidates for the 4th District House seat heading into the June 2 primary election. Rep. Mike Thompson...
2024 California Congressional District 4 election results: Mike Thompson wins reelection
Democrat Mike Thompson won reelection to a U.S. House seat representing California. He defeated Republican challenger John Munn, a 75-year-old retiree from the California Department of Forestry and Fire Protection. ... Thompson is chair of the Gun Violence Prevention Task Force and is a member of the Blue Dog Coalition, which describes themselves as "moderate, fiscally-responsible Democrats." He was elected in 1999 and represents a district ...
Who's running in California's 4th Congressional District
Mike Thompson is the current representative for the 4th District and has served in Congress since 1999. Before that, he served for nearly a decade in the State Assembly where he was the first Vietnam veteran elected to the chamber. Thompson dropped out of high school to enlist in the U.S. Army. He was wounded during the Vietnam War and awarded the Purple Heart. He earned a Masters’ degree in Public Administration from California ...
As Democrat Mike Thompson is seeking his 15th term in office, several candidates from both sides are vying for California’s 4th Congressional District which underwent drastic changes under Proposition 50.
