'Hillsborough, CA' definitions:

Hillsborough, CA -- U.S. town in California

From: Gazetteer 2000
Name :
Hillsborough, CA -- U.S. town in California
Population (2000) :
10825
Housing Units (2000) :
3804
Land area (2000) :
6.225863 sq. miles (16.124910 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
6.225863 sq. miles (16.124910 sq. km)
FIPS code :
33798
Located within :
California (CA), FIPS 06
Location :
37.560199 N, 122.356277 W
ZIP Codes (1990) :
94010
Note :
some ZIP codes may be omitted esp. for suburbs.