Salem County is a
county located in the
U.S. state of
New Jersey. Its western boundary is formed by the
Delaware River and it has the eastern terminus of the
Delaware Memorial Bridge, connecting to
New Castle, Delaware. Its
county seat is
Salem. The county is part of the
Delaware Valley area. As of the
2010 Census, the county's population was 66,083, increasing by 1,798 (+2.8%) from the 64,285 counted in the
2000 Census, retaining its position as the state's least populous county. The most populous place was
Pennsville Township, with 13,409 residents at the time of the 2010 Census.
Lower Alloways Creek Township covers , the largest total area of any municipality.