Complete the County ID application form. Do not sign application until applicant appears in person in the County Clerk’s Office.

  • Must be a US citizen, naturalized citizen, or resident alien
  • Must be a Mercer County resident for at least 6 months (proof of residence may be required)
  • Must produce the following:
    • Valid birth certificate (with raised seal) OR naturalization certificate OR valid resident alien card.
    • Valid NJ Motor Vehicle License OR a voter registration card OR lease agreement.
    NOTE: if you are unable to produce proof of residency, you must be accompanied by a parent, guardian, or blood relative. That person must meet the identification requirements as well as sign on your behalf, with a valid New Jersey ID or driver’s license.
  • Digital photos provided.
  • Fee of $20.00 for either card.
  • Mercer residents between the ages of 16 and up may apply for the County I.D. Card.

** Veteran County IDs available at 240 W State St weekdays 8:30 AM – 4:00 PM only.

For additional information, please call 609-278-7108.

* - IDs are processed as you wait.