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April 16 – Last Day to Register to Vote in Primary Election
To vote for a candidate for office in the Pennsylvania primary election, you must be registered with a political party. The last day to register or to change your party affiliation to vote in the PA primary election is April 16. Click here to register to vote, change your address or party affiliation, obtain an absentee ballot, or find a polling place. Primary election day in Pennsylvania is Tuesday, May 15. Polls are open from 7 a.m. to 8 p.m.