Mercer County
County in New Jersey
Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, also the state capital, prompting its nickname The Capital County. Wikipedia
Cities: Trenton, Hamilton Township, Princeton, and more
Population: 380,688 (2022)
Founded: 1838
Largest municipality: Hamilton Township (population); Hopewell Township (area)
Named for: Hugh Mercer
Seat: Trenton