Confirmed officialPrimary election

Delaware

Tuesday, September 15, 2026

Closed primary: only Democrats could vote in the Democratic primary and only Republicans in the Republican primary. Registration closed Saturday, Aug 22, 2026 (military and overseas citizens: Aug 31). Early voting ran Sept 2–13, with none on Sunday, Sept 6 or Labor Day, Sept 7. Absentee ballots had to be requested by Friday, Sept 11 and received by the Department of Elections by 8 p.m. on Election Day, Sept 15. Historical — election already held; record retained for archive.

Election date15September 2026

Countdown · election day

Sep 15Tuesday, September 15, 2026

The dates below structure the journey to this moment—from registration and early voting through election day. Civil calendar days, counted from this edition; confirm poll hours with the official source.

Edition built Tuesday, October 20, 2026. Once scripts load, your device date refreshes this count.

Voter calendar

Deadlines and windows

Early voting opensSep 2

Early voting closesSep 13

Mail ballot requestSep 11

Ballot scope

Offices tracked

U.S. Senate
U.S. House (all districts)
Statewide offices & Legislature

Source and provenance

Trace this record to the source.

Confidence: official

Retrieved 10/9/2026

Open official source