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What's the difference?

California · California's 4th District · Updated Oct 16, 2026

Mike Thompson

DemocraticIncumbentD vs DTop two

Incumbent U.S. representative

2026 race · California's 4th District

Solid D (D vs D)

Democrats only in November

Solid D (D vs D)

Democrats only in November

● Mike ThompsonINC● No RepublicanAlso: Eric Jones (D)

Full race forecast

Background

Current office: California's 4th District
Experience: Statewide office or Congress
Past races on file: 13 (13 won)

Links: Wikipedia · FEC filings · Candidate list (source)

Electoral history

Earlier races in California, newest first, matched by name in the results archive.

2024
U.S. House · CA-4 Nov 5, 2024
D · 66.5% · 227,321 votes
Won
2022
U.S. House · CA-4 Nov 8, 2022
D · 67.8% · 176,900 votes
Won
2020
U.S. House · CA-5 Nov 3, 2020
D · 76.1% · 271,233 votes
Won
2018
U.S. House · CA-5 Nov 6, 2018
D · 78.9% · 205,860 votes
Won
2016
U.S. House · CA-5 Nov 8, 2016
D · 76.9% · 224,086 votes
Won
2014
U.S. House · CA-5 Nov 4, 2014
D · 75.7% · 129,613 votes
Won
2012
U.S. House · CA-5 Nov 6, 2012
D · 74.5% · 202,872 votes
Won
2010
U.S. House · CA-1 Nov 2, 2010
D · 62.8% · 147,307 votes
Won
2008
U.S. House · CA-1 Nov 4, 2008
D · 68.1% · 197,812 votes
Won
2006
U.S. House · CA-1 Nov 7, 2006
D · 66.2% · 144,409 votes
Won
2004
U.S. House · CA-1 Nov 2, 2004
D · 66.9% · 189,366 votes
Won
2002
U.S. House · CA-1 Nov 5, 2002
D · 64.1% · 118,669 votes
Won
2000
U.S. House · CA-1 Nov 7, 2000
D · 65.0% · 155,638 votes
Won

Fundraising

Raised: $4.2M
From individuals: $2.3M
Spent: $4.3M
Cash on hand: $1.1M

Money: FEC, through Jun 30, 2026.

Opponents in 2026

Eric JonesDemocratic