2026 Delaware Elections, tell me about this news in (https://www.nbcnews.com/politics/2026-elections/delaware-results)

The 2026 Delaware primary elections took place on September 15, 2026, marking one of the final state primaries in the country for the midterm election cycle.

FOX 29 Philadelphia

Key highlights from the primary election results include:

• U.S. House of Representatives (At-large District): Joseph Arminio won the Republican primary, defeating opponents like John Whalen III and Earl Cooper. Arminio advanced to the November 3 general election to face Democratic Representative Sarah McBride, who advanced unopposed in her primary.

  Ballotpedia+ 1

• U.S. Senate: Incumbent Democratic Senator Chris Coons and Republican primary winner Mike Katz advanced through their respective party primaries to face off in the general election.

  Ballotpedia

• Statewide and Local Offices: Incumbent Democratic Attorney General Kathy Jennings won her primary, while various primary races for the Delaware State Senate and State House settled their candidate lineups ahead of the November general election.

  Delaware Public Media