Nebraska Primary Election Voter Registration Deadline (Post Received by) 04/30/2024 Oregon Primary Election Voter Registration Deadline (Submitted by) 04/30/2024 West Virginia Primary Election Early Voting Begins 05/01/2024 Maryland Primary Election Early Voting Begins 05/02/2024 Nebraska Primary Election Absentee Ballot Request Deadline (Received by) 05/03/2024