'Walnut Creek, CA' definitions:

Walnut Creek, CA -- U.S. city in California

From: Gazetteer 2000
Name :
Walnut Creek, CA -- U.S. city in California
Population (2000) :
64296
Housing Units (2000) :
31425
Land area (2000) :
19.908354 sq. miles (51.562398 sq. km)
Water area (2000) :
0.011418 sq. miles (0.029572 sq. km)
Total area (2000) :
19.919772 sq. miles (51.591970 sq. km)
FIPS code :
83346
Located within :
California (CA), FIPS 06
Location :
37.909956 N, 122.047373 W
ZIP Codes (1990) :
94595 94596 94598
Note :
some ZIP codes may be omitted esp. for suburbs.