Official portrait of Mike Thompson, U.S. Representative for California

U.S. Representative

Mike Thompson

California District 4

DemocratProgressive

Votes on Record

270

across 12 categories

Contact

202-225-3311Official Website268 Cannon House Office Building Washington DC 20515-0504

Voting Profile

Legislative Record

270 votes analyzed

Most Active Policy Areas

#1 healthcare#2 budget#3 agriculture#4 defense#5 other

270

Votes Analyzed

Data sources: voteview, congress.gov

Political Position

Ideology Spectrum

-0.39Progressive

Mike Thompson's voting record places him as a progressive Democrat, with an ideology score slightly more liberal than his party's average. His positions generally align with the mainstream Democratic caucus while occasionally taking more left-leaning stances on certain issues.

LiberalModerateConservative
Democrat avg

Near the average for Democrats (-0.38)

Data source: VoteView NOMINATE scores (UCLA/UC San Diego)

Policy Positions

Category Breakdown

270

total votes analyzed

Overview

Representative Mike Thompson has served California in the U.S. House of Representatives as a Democrat, compiling a voting record that reflects progressive priorities across multiple policy areas. His most active legislative engagement has been in healthcare policy, where he has participated in 146 recorded votes. Thompson has shown strong support for defense-related legislation, voting in favor 82% of the time on defense matters. He has also been active on agricultural issues, which is notable given California's significant farming economy, supporting agricultural measures 59% of the time. His voting pattern suggests a legislator who generally follows Democratic Party positions while maintaining some independence on specific issues. The balance of his votes across budget, agriculture, and healthcare indicates engagement with both fiscal and social policy concerns.

Key Positions

  • Active engagement on healthcare policy with significant voting participation
  • Strong support for defense-related measures (82% favorable votes)
  • Consistent involvement in agricultural legislation relevant to California's farming interests
  • General alignment with Democratic budget priorities (61% support)

By Policy Area

Healthcare146
50% yea50% nay
Budget & Spending46
61% yea39% nay
Agriculture39
59% yea41% nay
Defense11
82% yea18% nay
Other10
60% yea40% nay
Banking & Finance9
56% yea44% nay

Analysis updated: January 9, 2026

Campaign Finance

Follow the Money

Includes all authorized campaign committees (principal committee, joint fundraising, and other authorized committees). Outside spending by Super PACs and independent groups is shown separately below. Verify on FEC.gov →

Career: $28.9M

Fundraising Over Time

Raised per election cycleSpent

Contribution Sources

Individual$2.3M

55%

PAC / Committees$1.8M

45%

Party Committee$2K

0%

Individual Breakdown

Itemized (>$200)

$2.1M

Small Dollar (<$200)

$198K

Donation Sizes

Under $200
$324K · 14%
$200 – 499
$205K · 9%
$500 – 999
$334K · 14%
$1,000 – 1,999
$485K · 21%
$2,000+
$969K · 42%

Share of individual contribution dollars by donation size, current election cycle.

Where the Money Comes From

In-state (CA)$1.7M · 79%
Out-of-state$449K · 21%

Itemized individual contributions only (donations over $200 report the donor's state). Small-dollar donations are not included because the FEC does not itemize them.

CA
$1.7M
DC
$79K
TX
$62K
VA
$45K
AZ
$44K
FL
$32K
MD
$31K
NY
$25K

Top Contributors

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Top Contributing Industries

Top Donor Employers

N/A$597K
SELF-EMPLOYED$178K
NULL$73K
E & J GALLO WINERY$25K
SIERRA PACIFIC INDUSTRIES$25K
JACKSON FAMILY WINES$22K
NORTHWESTERN MUTUAL$16K
BENOVIA WINERY$14K
SKYDANCE$14K
GOOD HEART BRAND SPECIALITY$14K
SHAFER VINEYARDS$14K
TEECOM$13K

Employer as self-reported by itemized donors. “Not Employed” and “Self-Employed” typically rank highest for small-dollar campaigns and include retirees.

Where the Money Goes

Spending by Purpose

Advertising
$2.1M
Other / Uncategorized
$1.6M
Administrative
$407K
Contributions
$160K
Fundraising
$45K
Refunds
$38K
Materials
$5K

Purpose categories are self-reported on FEC filings; large “Other” totals are common.

Top Payees

1.

BEACON MEDIA LLC

$2.1M
2.

CARDMEMBER SERVICES

$342K
3.

CLEANSWEEP CAMPAIGNS

$334K
4.

RCBS PAYROLL

$272K
5.

ADVANCED NETWORK STRATEGIES, LLC

$210K
6.

DCCC

$150K
7.

REEDY, SUSAN

$100K
8.

RIVER CITY BUSINESS SERVICES

$87K

Detailed Breakdown

Expenditures

Operating Costs

$4.1M

Operating Offsets

$21K

Net Operating

$4.1M

Refunds

Individual Refunds

$35K

Committee Refunds

$6K

Outside Spending (Super PACs)

Supporting

$56K

Opposing

$335.86

Total Outside Spending

$56K

Top Outside Spenders

01

WITH HONOR FUND II, INC.

+$30K
$30K
02

COOPERATIVE OF AMERICAN PHYSICIANS INDEPENDENT EXPENDITURE COMMITTEE

+$10K
$10K
03

BIPAC - BUSINESS INSTITUTE FOR POLITICAL ANALYSIS

+$6K
$6K
04

FRIENDS OF JOHN SAWYER FOR SUPERVISOR 2012

+$3K
$3K
05

COURAGE CALIFORNIA SUPER PAC

+$2K
$2K
06

YOLO COUNTY DEMOCRATIC CENTRAL COMMITTEE FEDERAL ACCOUNT

+$1K
$1K
07

MENDOCINO COUNTY DEMOCRATIC CENTRAL COMMITTEE

+$745.14-$18.86
$764
08

TOGETHER WE THRIVE

+$750
$750

Independent expenditures are made without coordination with the candidate. Source: FEC Schedule E filings.

Coverage: 1/1/2025 6/30/2026FEC: H8CA01109Updated: 8/12/2026Source: FEC.gov (all authorized committees)