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California's 4th U.S. House District

California · Next election 2026 · 2 active candidates · $12.7M raisedFederal
About This Office

U.S. House seat for California's 4th congressional district. Representatives serve two-year terms.

Total Seats
435
Term Length
2 years
Salary
$174,000
Current Officeholders
Rep. Mike Thompson
Rep. Mike ThompsonD
U.S. Representative · CA-004
Tenure
27y
Bills Spon.
26
Votes Missed
0.31%
Cross-party
105
Committees
Ranking MemberTax Subcommittee
Ways and Means Committee
Health Subcommittee
The 2026 Race

12 candidates filed, 2 active for the 2026 House election in California District 4. General election on Nov 3, 2026.

Primary
—
General
Nov 3, 2026
Total Raised
$12.7M
Candidates
2 active / 12 filed
Incumbent
Mike Thompson (D-CA-4)D
Cash on Hand
$1.7M
Election History
YearWinnerResultRunner-UpTotal Votes
2024Mike Thompson D66.5%John Munn R 33.5%342,680
2022Mike Thompson D67.8%Matt Brock R 32.2%260,907
2020Tom Mcclintock R55.9%Brynne S Kennedy D 44.1%442,022
2018Tom Mcclintock R54.1%Jessica Morse D 45.9%340,654
2016Tom Mcclintock R62.7%Robert W Derlet D 37.3%350,978
2014Tom Mcclintock R60.0%Arthur \"Art\" Moore R 40.0%211,134
2012Tom Mcclintock R61.1%Jack Uppal D 38.9%323,688
2010Tom Mcclintock R61.3%Clint Curtis D 31.4%304,229
2008Tom Mcclintock R50.2%Charlie Brown D 49.8%369,780
2006John T Doolittle R49.1%Charlie Brown D 45.9%276,893
2004John T Doolittle R65.4%David I Winters D 34.6%339,369
2002John T Doolittle R64.9%Mark A Norberg D 31.9%228,104
2000John T Doolittle R63.4%Mark A Norberg D 31.5%311,423
1998John T Doolittle R62.6%David Shapiro D 34.4%248,224
1996John T Doolittle R60.5%Katie Hirning D 36.1%271,315
District
Population
764,257
Median HH Income
$98K
Unemployment
6.5%
Bachelor's+
36.2%
Veterans
5.7%
Median Age
39.3
Mean HH Income
$134K
Poverty Rate
11.8%
HS or Higher
87.7%
Median Home Value
$680K
Median Rent
$2,045/mo
Owner-Occupied
61.2%
Under 18 / 65+
19.8% / 19.0%