Primary Election Voter Registration Deadline: May 1, 2023 May 1, 2023 mdl1958 May 16, 2023 is the Primary Election Polls are open on election day from 7 A.M. – 8 P.M. Last day to register to vote: May 1, 2023 Last day to request a mail-in or absentee ballot: May 9, 2023 Learn about Primary Elections. Share this:TwitterFacebookLike this:Like Loading...