Mike Thompson
DU.S. Representative · California-4 · 106th-119th, 27 years 8 months
Overview of the Representative's office, activities, and communications.
About
Thompson, Charles Michael a Representative from California; born in St. , January 24, 1951; graduated from St. Helena High School, St.…
Official Biography · U.S. Congress.
Years served
27
Bills introduced
26
Enacted
0
Cosponsored
389
Committees
3
Performance & Participation
Votes CastTop 25%
100% — Voted in 643 of 645 roll call votes this congress.
Avg 97% · Most: 100% · Least: 18%
Vote IndependenceMiddle 50%
2.0% — Voted against their own party majority 12 of 604 times.
Avg 2.1% · Most independent: 23.7% · Most party-line: 0.0%
Cosponsors AttractedTop 25%
879 — Attracted 879 cosponsors across 26 bills.
Avg 299 · Most: 1,868 · Least: 0
Cosponsors Attracted Cross-AisleTop 25%
105 — Attracted 105 cosponsors across the aisle.
Avg 59 · Most: 1,291 · Least: 0
Cosponsorships GivenTop 25%
389 — 389 bills cosponsored.
Avg 304 · Most: 1,768 · Least: 3
Cosponsorships Given Cross-AisleTop 25%
102 — 102 bills cosponsored across the aisle.
Avg 59 · Most: 803 · Least: 0
Social Media ToneiMiddle 50%
NegativePositive
Avg +0.69 · Most: +0.94 · Least: +0.33
Press Release ToneiMiddle 50%
NegativePositive
Avg +0.37 · Most: +0.90 · Least: +0.03
Endorsements: Press Democrat recommendations for Nov. 3 election
The Press Democrat · Oct 12, 2026
Rep. Mike Thompson and challenger Eric Jones face off in League of Women Voters congressional forum
Daily Democrat · Oct 11, 2026
Rep. Mike Thompson tours Woodland Food Closet
Daily Democrat · Oct 4, 2026
Del Monte Fresh Produce Amends Brownstein Registration
Legis1 · Sep 28, 2026
Congressman Thompson joins lawmakers in calling for AI safeguards
Daily Democrat · Sep 16, 2026
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Data sourced from official congressional records, CRS, and FEC filings. AllCiv Score methodology available at allciv.com/methodology.