Voter guide to Delaware’s 2026 primary

Delaware’s 2026 primary will determine which candidates advance as party nominees in contests on the ballot. The offices and candidate names each voter sees will depend on the contests certified for the primary and the ballot assigned to that voter.

The most important preparation steps are to confirm your voter registration, understand your ballot eligibility and review the voting calendar. Because deadlines and voting procedures matter, voters should verify each detail with Delaware election officials before acting.

What a primary election does

A primary takes place before the general election. Instead of making the final choice for an office, participating voters select candidates who may move forward as their parties’ nominees.

Primary participation rules can differ from those used in a general election. Before Election Day, voters should confirm whether party affiliation affects which ballot they can receive. Anyone who wants to register, update an address or change an affiliation should first check whether a deadline applies.

A primary ballot is not necessarily the same for every voter. Ballot contents can vary by residence because different areas may vote for different offices. Reviewing a sample ballot, when one is posted for your voting area, can help you identify the contests and research the candidates before voting.

Dates voters should check

Start by confirming the primary date and the voter registration deadline. Voters considering a registration update should also check the deadline for changing a name, address or party affiliation.

Other dates may apply depending on how a voter plans to cast a ballot. Check the opening and closing dates for any early-voting period, as well as deadlines connected to absentee or mail voting. Those can include separate dates for requesting, returning or correcting a ballot.

Do not assume that a mailed ballot will count if it is sent on Election Day. Confirm the applicable return rule and leave enough time for delivery. Voters using an in-person option should verify the voting location and operating hours for the specific day they plan to vote.

Registration and ballot preparation

A registration application or update should be followed by a status check. Confirm that the official record shows the correct name, residential address and any affiliation information that may determine primary eligibility.

Next, find the assigned polling place or other authorized voting location. A familiar location may change between elections, so use the location listed for the 2026 primary rather than relying on where you voted previously.

Before leaving to vote, check what identification or other information election officials require. Voters who need language assistance, accessible equipment or help because of a disability should review the available arrangements in advance.

Ways to vote and final checks

The voting method a person chooses may come with its own eligibility rules, application steps and deadlines. Voters planning to vote before Election Day or away from a polling place should confirm those requirements early rather than waiting until the final days of the election calendar.

When reviewing the ballot, read the instructions before making selections. A voter does not have to make a choice in every contest for selections in other contests to matter. Before submitting the ballot, review it for unintended marks or missed choices.

Keep any confirmation information connected to registration or a ballot request. If a registration record, requested ballot or voting location appears incorrect, contact Delaware election officials promptly. The final checklist is simple: verify registration, review the correct ballot, choose a voting method, note every relevant deadline and confirm where and when to vote.