California's 40th congressional district: election results

U.S. House elections in California's 40th 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: Young Kim (Republican), term ends 2027-01-03.

California's 40th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Young Kim	Republican	55.3%	10.5
2022	Young Kim	Republican	56.8%	13.7
2020	Lucille Roybal-Allard	Democratic	72.7%	45.5
2018	Lucille Roybal-Allard	Democratic	77.3%	54.7
2016	Lucille Roybal-Allard	Democratic	71.4%	42.7
2014	Lucille Roybal-Allard	Democratic	61.2%	22.4
2012	Lucille Roybal-Allard	Democratic	58.9%	17.8
2010	Edward R. Royce	Republican	66.8%	33.6
2008	Edward R. Royce	Republican	62.5%	25.1
2006	Edward R. Royce	Republican	66.8%	36.1
2004	Edward R. Royce	Republican	67.9%	35.9
2002	Edward R. Royce	Republican	67.6%	38.2
2000	Jerry Lewis	Republican	79.9%	69.9
1998	Jerry Lewis	Republican	64.9%	33.0
1982	Robert E. Badham	Republican	71.5%	45.5
1980	Robert E. Badham	Republican	70.2%	48.4
1978	Robert E. Badham	Republican	65.9%	31.9
1976	Robert E. Badham	Republican	59.3%	18.5

2024

Candidate	Party	Votes	Share
Young Kim Won	REP	211,998	55.26%
Joe Kerr	DEM	171,637	44.74%
Total		383,635

2022

Candidate	Party	Votes	Share
Young Kim Won	REP	161,589	56.84%
Asif Mahmood	DEM	122,722	43.17%
Total		284,311

2020

Candidate	Party	Votes	Share
Lucille Roybal-Allard Won	DEM	135,572	72.74%
C. Antonio Delgado	REP	50,809	27.26%
Total		186,381

Questions and answers

Who represents California's 40th congressional district?

Young Kim (Republican) is the current representative; the term ends on 2027-01-03.

Who won the last election in California's 40th congressional district?

Young Kim won in 2024 by 10.5 points.

Results: FiveThirtyEight, from official sources.