April 11 – Primary Deadline for Party Affiliation Declaration. If you are registered with one party, but wish to vote in the other party’s primary, you must change affiliation by this date. Unaffiliated voters may declare for a party at any time up to, and including, at the polls on Primary Day.
May 15 – Primary Voter Registration deadline
May 29 – Primary Vote by Mail deadline
June 5 – PRIMARY ELECTION
Oct. 16 – General Election Voter Registration deadline
Oct. 30 – General Election Vote by Mail deadline
Nov. 6 – ELECTION DAY
More details, including forms, can be found at the Morris County Elections Center.