What is "penns grove"

Population (2000): 4886
Housing Units (2000): 2075
Land area (2000): 0.926122 sq. miles (2.398646 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.926122 sq. miles (2.398646 sq. km)
FIPS code: 57750
Located within: New Jersey (NJ), FIPS 34
Location: 39.728188 N, 75.468050 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: