The 2026 United States House of Representatives election in Delaware will be held on November 3, 2026, to elect a member of the United States House of Representatives to represent the state of Delaware from its . The election coincides with other elections to the U.S. House, elections to the United States Senate, and various other state and local elections. Primary elections took place on September 15, 2026.
Incumbent Democratic representative Sarah McBride was elected in 2024 with 57.9% of the vote.
Democratic primary Candidates Nominee Sarah McBride, incumbent U.S. Representative
Endorsements
Fundraising Campaign finance reports as of August 26, 2026CandidateRaisedSpentCash on handSarah McBride (D)$5,060,925$2,567,850$2,700,202Source: Federal Election Commission
Republican primary Candidates Nominee Joseph Arminio, medical doctor
Eliminated in primary Earl Cooper, Democratic candidate for this seat in 2024 John J. Whalen, retired business owner and nominee for this seat in 2024
Withdrawn Lee Murphy, nominee for this seat in 2020 and 2022
Did not file Donyale Hall, general contractor, nominee for lieutenant governor in 2020 and candidate for this seat in 2024
Endorsements
Fundraising Campaign finance reports as of August 26, 2026CandidateRaisedSpentCash on handJoseph Arminio (R)$6,634$4,453$2,181Donyale Hall (R)$779$539$240John Whalen (R)$1,589$3,779$5,555Source: Federal Election Commission
Results
General election Predictions SourceRankingAs of Decision Desk HQ July 14, 2026 The Cook Political Report April 30, 2025 Inside Elections April 17, 2025 Sabato's Crystal Ball April 10, 2025 The Economist May 6, 2026
References
External links Official campaign sites Joseph Arminio (R) Sarah McBride (D)