New Jersey became the 3rd state on December 18, 1787. Trenton is the state capital. There are currently 21 counties each with a courthouse.
Click on a county below to learn more:
| Atlantic | Bergen | Burlington | Camden | Cape May |
| Cumberland | Essex | Gloucester | Hudson | Hunterdon |
| Mercer | Middlesex | Monmouth | Morris | Ocean |
| Passaic | Salem | Somerset | Sussex | Union |
| Warren |
State House – Trenton
Governor Mansion – Princeton