Key Dates for Voters - 2025
May 5, 2025
Last day to register to vote before the May primary elections
May 13, 2025
Last day to apply for a mail-in or absentee ballot for the May primary elections
May 20, 2025
Last day for Delaware County Board of Elections to receive mail-in and absentee ballots (must be received by 8:00 PM)
May 20, 2025
Primary Election Day
May 21, 2025
First day to register to vote before the November general election
October 20, 2025
Last day to register to vote before the November general election
October 28, 2025
Last day to apply for a mail-in or absentee ballot for November general election
November 4, 2025
Last day for Delaware County Board of Elections to receive mail-in and absentee ballots (must be received by 8:00 PM)
November 4, 2025
General Election Day
November 5, 2025
First day to register to vote before the May (2026) primary elections