NJ primary election 2025: Key dates, voting deadlines and who’s on the ballot

Voters will head to the polls next week in New Jersey to cast their ballots for the state's closed 2025 primary election.

What we know:

Here's everything you need to know before Tuesday, June 10, from important deadlines, to which races will appear on the ballot:

Election deadlines and dates

  • June 3: Last day to request a mail ballot by mail.
  • June 3-8: Early voting.
  • June 9: Last day to request a mail ballot by person.
  • June 10: Election Day, last day to return a mail ballot.

Can I vote?

To vote in New Jersey's closed 2025 Primary Election, voters must be:

  • A U.S. citizen
  • At least 18 years old
  • A resident of their voting county for at least 30 days
  • Registered with a political party

What is a closed primary?

A closed primary election means that Democrats and Republicans can only vote for their party's nominees to run in the general election. 

Voters who are not registered as a Democrat or Republican must declare a party to vote in the primary.

How do I vote by mail?

Voters must complete a vote-by-mail ballot application, then return it to their county clerk's office. Once voters receive and complete their ballots, they must return them by mail, ballot drop box or elections office by 8 p.m. on June 10.

When is early voting?

Early voting will take place from Tuesday, June 3, to Sunday, June 8. New Jersey residents can vote in-person at early voting locations from 10 a.m. to 8 p.m. Tuesday through Saturday and 10 a.m. to 6 p.m. Sunday.

When do polls open on June 10?

Polls will be open from 6 a.m. to 8 p.m. on June 10. Voters in line by 8 p.m. will still be allowed to vote.

Where is my polling place?

You can find your polling place online using your address.

Who is running in the 2025 primary election?

What You Should Know:

New Jersey residents will be voting for candidates for the state's governor's office, as well as members of the General Assembly for District 1 through District 16.

Democratic candidates

U.S. Rep. Mikie Sherrill

WASHINGTON - NOVEMBER 7: Rep. Mikie Sherrill, D-N.J., participates in the House Democrats' news conference following their caucus meeting in the Capitol on Tuesday, November 7, 2023. (Bill Clark/CQ-Roll Call, Inc via Getty Images)

Rep. Mikie Sherrill, D-N.J., participates in the House Democrats' news conference following their caucus meeting in the Capitol on Tuesday, November 7, 2023. (Bill Clark/CQ-Roll Call, Inc via Getty Images) 

U.S. Rep. Josh Gottheimer

Rep. Josh Gottheimer, D-N.J., leaves a meeting of the House Democratic Caucus about the candidacy of President Joe Biden at the Democratic National Committee on Tuesday, July 9, 2024. (Tom Williams/CQ-Roll Call, Inc via Getty Images)

Newark Mayor Ras Baraka 

Newark Mayor Ras Baraka makes a speech to press members after appearing in federal court for a status conference after his arrest outside an Immigration and Customs Enforcement (ICE) facility last week in front of the Federal Court in New Jersey, Uni

Jersey City Mayor Steve Fulop

Jersey City Mayor Steven Fulop speaks during a press conference on April 11, 2025 in Jersey City, New Jersey. Six people are dead after the sightseeing helicopter carrying a family of tourists from Spain crashed into the Hudson River off Lower Manhat

Teachers' union president Sean Spiller

Sean Spiller speaks onstage at the 15th Annual Induction Ceremony for the New Jersey Hall of Fame at NJPAC October 29, 2023 in Newark, New Jersey. (Photo by Bryan Bedder/Variety via Getty Images)

Former state Senate president Steve Sweeney

Steve Sweeney is running for NJ Governor 

Republican candidates

Former state assemblyman Jack Ciattarelli

Conservative talk radio host Bill Spadea

ATLANTIC CITY, NEW JERSEY - AUGUST 17: Bill Spadea performs onstage during "An Evening of Comedy Starring Joe Gorga" at Harrah's Resort on August 17, 2024 in Atlantic City, New Jersey. (Photo by Manny Carabel/Getty Images)

State Senator Jon Bramnick

Former Englewood Cliffs mayor Mario Kranjac

Real estate developer Justin Barbera

Credit: Ballotpedia

Find more details on the New Jersey gubernatorial candidates here. A full list of the candidates for the General Assembly can be read below:

Closed primary

New JerseyPolitics2025 election for NJ governor