One step to make your vote count in Delaware’s Republican primary — change your voter registration to Republican by May 29.
To vote for Dr. Mike Katz in the Republican primary on September 15, you must be registered as a Republican. Delaware’s deadline to register or change party affiliation is May 29, 2026.
You can register or change party affiliation online with the Delaware Department of Elections in about two minutes.
Register or Update at iVote.de.gov ↗Last day to register or change party affiliation before the Republican primary.
Cast your vote for Dr. Mike Katz for U.S. Senate.
Takes about two minutes. Delaware Department of Elections.