Warren County, New Jersey
Voting in Warren County, New Jersey? Find registration links, ID rules, early and absentee voting options and your sample ballot here. Home to about 112,000 people, Warren County is one of the least populous of New Jersey's 21 counties. In New Jersey, the county clerk handles mail-in ballots and sample ballots, and the county board of elections and superintendent of elections handle registration and polling places.
Next Election
June 8, 2027
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register at least 21 days before an election.
Why Voting Matters
Why does voting matter in Warren County? Because every eligible voter here has exactly the same power at the ballot box: one vote. The next election for Warren County voters is New Jersey's primary on June 8, 2027, for all State Senate and General Assembly seats; local elections can come sooner, so check your local election office. With retail and health care among the county's biggest employers, issues like local businesses are decided by the officials voters choose.
In the 2024 presidential election, about 60,200 ballots were cast in Warren County, about the same as the 61,100 cast in 2020. With roughly 91,900 adults living in the county, that is around 65% of adult residents, above the statewide rate of about 57%.
That means roughly 31,700 adult residents did not cast a presidential ballot. Some are not eligible, but many are, and that is a lot of untapped power. If just one in 20 of them voted, Warren County would add about 1,590 voices, more than enough to decide a close local race.
Warren County covers about 356 square miles, with roughly 314 residents per square mile. The county is home to about 1.2% of New Jersey's population.
ZIP codes in or partly in Warren County include 07820, 07821, 07823, 07825, 07832, 07833, 07838 and 07840, plus 15 more. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Warren County to join you.
Voter Assistance Resources
Local election help in Warren County: In New Jersey, the county clerk handles mail-in ballots and sample ballots, and the county board of elections and superintendent of elections handle registration and polling places. For registration, polling places, early voting and absentee ballots, contact the Warren County clerk and county board of elections.
Statewide directory, New Jersey Division of Elections county information page:
https://www.nj.gov/state/elections/county-vbm-forms.shtml
See your sample ballot. New Jersey county election information (your county mails your sample ballot):
https://www.nj.gov/state/elections/county-vbm-forms.shtml
You can also preview a personalized ballot at Vote411.org.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Warren County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Disability Rights New Jersey, New Jersey's Protection and Advocacy agency, at (609) 292-9742. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our New Jersey voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Warren County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
Take the Next Step
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