'Hillsdale, NJ' definitions:

Hillsdale, NJ -- U.S. borough in New Jersey

From: Gazetteer 2000
Name :
Hillsdale, NJ -- U.S. borough in New Jersey
Population (2000) :
10087
Housing Units (2000) :
3547
Land area (2000) :
2.981510 sq. miles (7.722075 sq. km)
Water area (2000) :
0.003967 sq. miles (0.010274 sq. km)
Total area (2000) :
2.985477 sq. miles (7.732349 sq. km)
FIPS code :
31920
Located within :
New Jersey (NJ), FIPS 34
Location :
41.007389 N, 74.042472 W
ZIP Codes (1990) :
07642
Note :
some ZIP codes may be omitted esp. for suburbs.