'Hudson County, NJ' definitions:

Hudson -- U.S. County in New Jersey

From: Gazetteer 2000
Name :
Hudson -- U.S. County in New Jersey
Population (2000) :
608975
Housing Units (2000) :
240618
Land area (2000) :
46.687583 sq. miles (120.920280 sq. km)
Water area (2000) :
15.744821 sq. miles (40.778898 sq. km)
Total area (2000) :
62.432404 sq. miles (161.699178 sq. km)
Located within :
New Jersey (NJ), FIPS 34
Location :
40.740351 N, 74.069000 W