Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

People / Mike Thompson / Questions

Questions about Mike Thompson

U.S. Representative for California’s 4th District · Democrat · from roll-call votes in the 119th Congress

How often does Mike Thompson vote with his party?

Mike Thompson voted with Democrats on 97% of party-line votes in the 119th Congress (House median 98%), as of Nov 1, 2026.

Party-line votes
Party-line votes cast469
With Democrats456 (97%)
Against Democrats13
House median98%
House Democrats, median98%

Source: Voteview roll calls (UCLA) · How we measure · Who breaks with party most · Updated Nov 1, 2026

How bipartisan is Mike Thompson?

Mike Thompson voted the same way as Republicans on 12% of shared contested votes in the 119th Congress (House median 12%), tied for 206th most of 430 House members, as of Nov 1, 2026.

Bipartisanship
Contested votes cast524
Same vote as Republicans12%
House median12%
Rank in the chambertied for 206th of 430

Source: Voteview roll calls (UCLA) · How we measure · Updated Nov 1, 2026

Which members vote most like Mike Thompson?

Zoe Lofgren voted the same way as Mike Thompson most often: 97% of 515 shared contested votes in the 119th Congress (median for two House members of the same party 95%), as of Nov 1, 2026.

Median for two House members of the same party: 95%; of different parties: 11%.

Members who vote most alike
MemberSame voteShared votes
DZoe Lofgren97%515
DNancy Pelosi97%493
DSuzan K. DelBene97%516
DDoris O. Matsui97%524
DSalud O. Carbajal97%523
RBrian K. Fitzpatrick Closest of the Republicans32%518

Source: Voteview roll calls (UCLA) · How we measure · Updated Nov 1, 2026

How much of Mike Thompson’s PAC money came from PACs whose organizations lobbied on bills he voted on?

Of the 319 PACs that gave to Mike Thompson in 2025–26 and have a lobbying organization behind them, 180 belong to organizations that lobbied on bills that came to a vote with him in the chamber or that he cosponsored or sponsored (56%; House median 58%); together they gave $823K of the $2M in PAC money he received (41%; House median 41%), as of Nov 1, 2026.

Largest PACs this cycle: American College of Cardiology, American Crystal Sugar Compay, American Federation of Teachers, AFL-CIO Committee on Political Education. What each gave is part of Pro.

PACs whose organizations lobbied
PACs that gave in 2025–26517
With a lobbying organization behind them319
Of those, their organizations lobbied on these bills180 (56%)
House median58%
Their gifts, together$823K of $2M

Source: FEC PAC gifts · Senate LDA lobbying filings · Bill by bill on the profile · How we measure · Updated Nov 1, 2026

Who is running against Mike Thompson in 2026?

Ballot not yet checked. Mike Thompson has filed with the FEC to run for re-election to California’s 4th District, and 7 other candidates have filed for the seat; Oathstar has not compiled who won the primaries there.

Source: FEC candidate filings · The full race