New Jersey jiha ne daga jihohin ƙasar Tarayyar Amurka, a Arewa maso Gabashin ƙasar. Jihar Tarayyar Amurka ne daga shekara ta 1787. Babban birnin jihar New Jersey, Trenton ne. Jihar New Jersey yana da yawan fili kimanin kilomita murabba’i 22,591, da yawan jama'a 8,908,520. Gwamnan jihar New Jersey Phil Murphy ne, daga zaben gwamnan a shekara ta 2017.