N.J. Stat. § 19:32-1
The office of superintendent of elections in counties of the first class in which such office has previously been established is continued, and in those counties of the first class in which such office has not been previously established, is established. The offices shall be filled by some suitable persons who shall be nominated by the Governor with the advice and consent of the Senate and who shall hold office for the term of five years from the date of appointment and until their successors are appointed and have qualified. Each superintendent shall receive such salary per annum as the governing body of such county may by resolution authorize, but not less than $7,500, to be paid by the county treasurer. The persons so appointed shall have their offices in the counties for which they are appointed. Vacancies shall be filled in the same manner as original appointments, but shall be for the unexpired terms only. Any person filling a vacancy shall be from the same party as the original appointee. The annual salary of each deputy superintendent shall be 90% of what the superintendent receives for performing the duties of superintendent of elections and commissioner of registration.
N.J.S. § 19:32-1