Key Dates for Voters - 2026
May 4, 2026
Last day to register to vote before the May primary elections
May 12, 2026
Last day to apply for a mail-in or absentee ballot for the May primary elections
May 19, 2026
Last day for Delaware County Board of Elections to receive mail-in and absentee ballots (must be received by 8:00 PM)
May 19, 2026
Primary Election Day
May 20, 2026
First day to register to vote before the November general election
October 19, 2026
Last day to register to vote before the November general election
October 27, 2026
Last day to apply for a mail-in or absentee ballot for November general election
November 3, 2026
Last day for Delaware County Board of Elections to receive mail-in and absentee ballots (must be received by 8:00 PM)
November 3, 2026
General Election Day
November 4, 2026
First day to register to vote before the May (2026) primary elections