what county is frenchtown nj located in
Frenchtown, NJ. Online Offers. Frenchtown is a Borough in Hunterdon County, New Jersey, United States. As of the United States 2010 Census, the borough population was 1,373. Frenchtown Borough is located along the banks of the Delaware River on the Hunterdon Plateau. Various names have been applied to this settlement, after the many ferry operators residing on both sides of the river.