California's 10th congressional district: election results

U.S. House elections in California's 10th 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: Mark DeSaulnier (Democrat), term ends 2027-01-03.

California's 10th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Mark DeSaulnier	Democratic	66.5%	33.0
2022	Mark DeSaulnier	Democratic	78.9%	57.9
2020	Josh Harder	Democratic	55.2%	10.3
2018	Josh Harder	Democratic	52.3%	4.5
2016	Jeff Denham	Republican	51.7%	3.4
2014	Jeff Denham	Republican	56.1%	12.3
2012	Jeff Denham	Republican	52.7%	5.4
2010	John Garamendi	Democratic	58.8%	21.0
2009 special	John Garamendi	Democratic	52.8%	10.0
2008	Ellen O. Tauscher	Democratic	65.1%	34.0
2006	Ellen O. Tauscher	Democratic	66.4%	32.9
2004	Ellen O. Tauscher	Democratic	65.7%	31.4
2002	Ellen O. Tauscher	Democratic	75.6%	51.2
2000	Ellen O. Tauscher	Democratic	52.6%	8.4
1998	Ellen O. Tauscher	Democratic	53.5%	10.0
1982	Don Edwards	Democratic	62.7%	29.0
1980	Don Edwards	Democratic	62.1%	34.2
1978	Don Edwards	Democratic	67.1%	34.3
1976	Don Edwards	Democratic	72.0%	47.5

2024

Candidate	Party	Votes	Share
Mark DeSaulnier Won	DEM	242,325	66.47%
Katherine Piccinini	REP	122,219	33.53%
Total		364,544

2022

Candidate	Party	Votes	Share
Mark DeSaulnier Won	DEM	198,415	78.93%
Michael Ernest Kerr	GRE	52,965	21.07%
Total		251,380

2020

Candidate	Party	Votes	Share
Josh Harder Won	DEM	166,865	55.16%
Ted D. Howze	REP	135,629	44.84%
Total		302,494

Questions and answers

Who represents California's 10th congressional district?

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

Who won the last election in California's 10th congressional district?

Mark DeSaulnier won in 2024 by 33.0 points.

Results: FiveThirtyEight, from official sources.