Delaware's 1st congressional district: election results

U.S. House elections in Delaware's 1st congressional district, 1976 to 2024: winners, vote shares and margins. District lines are redrawn after each census, so the area covered changes over time.

Delaware's 1st congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Sarah McBride	Democratic	57.9%	15.7
2022	Lisa Blunt Rochester	Democratic	55.5%	12.5
2020	Lisa Blunt Rochester	Democratic	57.6%	17.4
2018	Lisa Blunt Rochester	Democratic	64.3%	28.8
2016	Lisa Blunt Rochester	Democratic	55.5%	14.6
2014	John C. Carney Jr.	Democratic	59.3%	22.5
2012	John C. Carney Jr.	Democratic	64.4%	31.0
2010	John C. Carney Jr.	Democratic	56.8%	15.7
2008	Michael N. Castle	Republican	61.1%	23.1
2006	Michael N. Castle	Republican	57.2%	18.4
2004	Michael N. Castle	Republican	69.1%	39.4
2002	Michael N. Castle	Republican	72.1%	45.4
2000	Michael N. Castle	Republican	67.6%	36.8
1998	Michael N. Castle	Republican	66.4%	34.6
1980	Thomas B. Evans	Republican	61.8%	24.3
1978	Thomas B. Evans	Republican	58.2%	17.0
1976	Thomas B. Evans	Republican	51.4%	3.8

2024

Candidate	Party	Votes	Share
Sarah McBride Won	DEM	287,830	57.86%
John J. Whalen III	REP	209,606	42.14%
Total		497,436

2022

Candidate	Party	Votes	Share
Lisa Blunt Rochester Won	DEM	178,416	55.47%
Lee Murphy	REP	138,201	42.96%
Cody McNutt	LIB	3,074	0.96%
David Rogers	IND	1,958	0.61%
Scott Walker	W	15	0.01%
Edward Shlikas	W	3	0.00%
Total		321,667

2020

Candidate	Party	Votes	Share
Lisa Blunt Rochester Won	DEM	281,382	57.63%
Lee Murphy	REP	196,392	40.22%
Catherine Stonestreet Purcell	IDE	6,682	1.37%
David Rogers	LIB	3,814	0.78%
Total		488,270

Questions and answers

Who won the last election in Delaware's 1st congressional district?

Sarah McBride won in 2024 by 15.7 points.

Results: FiveThirtyEight, from official sources.