The New Jersey Constitution of 1947 (Annotated) Art. V, § I, ¶ 2

2. The Governor shall be not less than thirty years of age, and shall have been for at least twenty years a citizen of the United States, and a resident of this State seven years next before election, unless the Governor shall have been absent during that time on the public business of the United States or of this State. A person shall be eligible for the office of Lieutenant Governor only if eligible under this Constitution for the office of Governor.