'Walnut Grove, CA' definitions:

Walnut Grove, CA -- U.S. Census Designated Place in California

From: Gazetteer 2000
Name :
Walnut Grove, CA -- U.S. Census Designated Place in California
Population (2000) :
669
Housing Units (2000) :
282
Land area (2000) :
3.114922 sq. miles (8.067611 sq. km)
Water area (2000) :
0.339004 sq. miles (0.878016 sq. km)
Total area (2000) :
3.453926 sq. miles (8.945627 sq. km)
FIPS code :
83374
Located within :
California (CA), FIPS 06
Location :
38.243490 N, 121.512100 W
ZIP Codes (1990) :
95690
Note :
some ZIP codes may be omitted esp. for suburbs.