'Salem County, NJ' definitions:

Salem -- U.S. County in New Jersey

From: Gazetteer 2000
Name :
Salem -- U.S. County in New Jersey
Population (2000) :
64285
Housing Units (2000) :
26158
Land area (2000) :
337.879999 sq. miles (875.105142 sq. km)
Water area (2000) :
34.690849 sq. miles (89.848883 sq. km)
Total area (2000) :
372.570848 sq. miles (964.954025 sq. km)
Located within :
New Jersey (NJ), FIPS 34
Location :
39.628764 N, 75.385539 W