California's 18th congressional district: election results

U.S. House elections in California's 18th 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: Zoe Lofgren (Democrat), term ends 2027-01-03.

California's 18th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Zoe Lofgren	Democratic	64.6%	29.3
2022	Zoe Lofgren	Democratic	65.9%	31.7
2020	Anna G. Eshoo	Democratic	63.2%	26.3
2018	Anna G. Eshoo	Democratic	74.5%	49.0
2016	Anna G. Eshoo	Democratic	71.1%	42.3
2014	Anna G. Eshoo	Democratic	67.8%	35.5
2012	Anna G. Eshoo	Democratic	70.5%	41.0
2010	Dennis A. Cardoza	Democratic	58.5%	17.0
2008	Dennis A. Cardoza	Democratic	100.0%	—
2006	Dennis A. Cardoza	Democratic	65.5%	31.0
2004	Dennis A. Cardoza	Democratic	67.5%	35.0
2002	Dennis A. Cardoza	Democratic	51.3%	7.9
2000	Gary A. Condit	Democratic	67.1%	35.8
1998	Gary A. Condit	Democratic	86.8%	73.6
1982	Richard H. Lehman	Democratic	59.5%	21.2
1980	William M. Thomas	Republican	71.0%	42.1
1978	William M. Thomas	Republican	59.3%	18.5
1976	William M. Ketchum	Republican	64.2%	28.4

2024

Candidate	Party	Votes	Share
Zoe Lofgren Won	DEM	147,674	64.63%
Peter D. Hernandez	REP	80,832	35.37%
Total		228,506

2022

Candidate	Party	Votes	Share
Zoe Lofgren Won	DEM	99,776	65.85%
Peter D. Hernandez	REP	51,737	34.15%
Total		151,513

2020

Candidate	Party	Votes	Share
Anna G. Eshoo Won	DEM	217,388	63.17%
Rishi Kumar	DEM	126,751	36.83%
Total		344,139

Questions and answers

Who represents California's 18th congressional district?

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

Who won the last election in California's 18th congressional district?

Zoe Lofgren won in 2024 by 29.3 points.

Results: FiveThirtyEight, from official sources.