Delaware voters face a tight 2026 primary-election timeline
Delaware’s 2026 primary election is Tuesday, Sept. 15, but voters can begin casting ballots in person on Wednesday, Sept. 2. Election officials are also preparing for a compressed transition from the primary to the November general election.
The Department of Elections is scheduled to certify primary results on Sept. 18. Delaware Public Media reported that election officials are preparing for a tight operational window before general-election absentee ballots must be sent under the schedule discussed by Election Commissioner Anthony Albence. Albence said officials are on track and do not anticipate problems, while acknowledging the challenge.
Quick schedule for Delaware voters
- Primary Election Day: Tuesday, Sept. 15, from 7 a.m. to 8 p.m. Eastern time.
- Early voting: Sept. 2-5 from 7 a.m. to 7 p.m.; Sept. 8 from 7 a.m. to 7 p.m.; and Sept. 9-13 from 11 a.m. to 7 p.m.
- No early voting: Sunday, Sept. 6, or Monday, Sept. 7, because of the Labor Day holiday.
- Request a primary absentee ballot for mailing: By Friday, Sept. 11.
- Latest issuance deadline: County election offices may issue primary absentee ballots through noon Monday, Sept. 14.
- Primary absentee-ballot receipt deadline: The completed ballot must reach the voter’s county Department of Elections office by 8 p.m. Sept. 15.
Early voting hours change after Labor Day
Early voting begins Wednesday, Sept. 2, and continues through Saturday, Sept. 5, with designated early-voting sites open from 7 a.m. to 7 p.m. Early voting pauses Sunday, Sept. 6, and Monday, Sept. 7, for the Labor Day holiday.
Voting resumes Tuesday, Sept. 8, from 7 a.m. to 7 p.m. From Wednesday, Sept. 9, through Sunday, Sept. 13, the hours are 11 a.m. to 7 p.m.
Early voting is offered at designated sites in each county. Voters should check the Delaware Department of Elections’ voter portal or contact the department for the current location list, polling-place information and a sample ballot.
Who may vote in a party primary
Delaware conducts closed party primaries. Only registered Democrats may vote in the Democratic primary, and only registered Republicans may vote in the Republican primary.
The ordinary deadline to change party affiliation before the primary was Friday, May 29, 2026. That deadline applies to most voters who wanted to switch parties before the Sept. 15 election.
There is a special rule for some automatic voter-registration voters. A voter who was automatically registered through the DMV and has not selected a party may designate a Democratic or Republican affiliation through Sept. 15, according to the state. Delaware says the 2026 primary is the last election in which that provision applies.
Unaffiliated voters generally cannot participate in either party’s primary. Voters who are unsure of their registration status or party designation should verify that information through the state voter portal rather than assume they are eligible.
Absentee deadlines are separate
Friday, Sept. 11, is the practical deadline for a voter to submit a request for a primary absentee ballot to be mailed. The state election calendar separately lists Sept. 11 as the deadline for county election offices to mail requested primary absentee ballots. Those are related but different actions: voters should submit their requests by Sept. 11, and the offices must mail requested ballots by that date under the calendar.
The Department of Elections may issue primary absentee ballots through noon Monday, Sept. 14. That later issuance deadline does not extend the voter-request deadline for a ballot to be mailed.
After voting the ballot, the voter must make sure it is received by the Department of Elections county office for the county in which the voter resides no later than 8 p.m. on Primary Day, Sept. 15. Mailing a ballot by that date is not enough if it does not arrive by the receipt deadline.
Why officials are watching the post-primary calendar
The official 2026 election calendar schedules certification of the Sept. 15 primary results for Sept. 18. Delaware Public Media reported that Albence described the period immediately afterward as challenging because election officials must move from certifying the primary to preparing general-election absentee ballots on a tight schedule.
The state calendar should be treated as an informational tool. It says dates and events may change if Delaware law is revised, so voters should check the Department of Elections for updated instructions, locations or deadlines.
Where to check your voting information
Before voting, Delaware residents can use the state voter portal and Department of Elections website to confirm registration and party status, find a polling or early-voting site, view a sample ballot and check absentee-ballot information.
The most immediate dates are Sept. 2, when early voting begins; Sept. 11, when a mailed primary absentee-ballot request is due; Sept. 14 at noon, when the department’s absentee-ballot issuance window closes; and Sept. 15, when polls close and primary absentee ballots must be received.
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