California's 4th congressional district: election results

U.S. House elections in California's 4th congressional district, 1976 to 2024: winners, vote shares and margins. District lines are redrawn after each census, so the area covered changes over time.

Current representative: Mike Thompson (Democrat), term ends 2027-01-03.

California's 4th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Mike Thompson	Democratic	66.5%	32.9
2022	Mike Thompson	Democratic	67.8%	35.6
2020	Tom McClintock	Republican	55.9%	11.9
2018	Tom McClintock	Republican	54.1%	8.3
2016	Tom McClintock	Republican	62.7%	25.4
2014	Tom McClintock	Republican	60.0%	20.1
2012	Tom McClintock	Republican	61.1%	22.2
2010	Tom McClintock	Republican	61.3%	29.8
2008	Tom McClintock	Republican	50.2%	0.5
2006	John T. Doolittle	Republican	49.1%	3.2
2004	John T. Doolittle	Republican	65.4%	30.8
2002	John T. Doolittle	Republican	64.8%	32.9
2000	John T. Doolittle	Republican	63.4%	32.0
1998	John T. Doolittle	Republican	62.6%	28.2
1982	Vic Fazio	Democratic	63.9%	27.7
1980	Vic Fazio	Democratic	65.3%	35.6
1978	Vic Fazio	Democratic	55.4%	10.8
1976	Robert L. Leggett	Democratic	50.2%	0.4

2024

Candidate	Party	Votes	Share
Mike Thompson Won	DEM	227,730	66.46%
John Munn	REP	114,950	33.54%
Total		342,680

2022

Candidate	Party	Votes	Share
Mike Thompson Won	DEM	176,900	67.80%
Matt Brock	REP	84,007	32.20%
Total		260,907

2020

Candidate	Party	Votes	Share
Tom McClintock Won	REP	247,291	55.95%
Brynne S. Kennedy	DEM	194,731	44.06%
Total		442,022

Questions and answers

Who represents California's 4th congressional district?

Mike Thompson (Democrat) is the current representative; the term ends on 2027-01-03.

Who won the last election in California's 4th congressional district?

Mike Thompson won in 2024 by 32.9 points.

Results: FiveThirtyEight, from official sources.