'Sonoma County, CA' definitions:
Sonoma -- U.S. County in California
From: Gazetteer 2000
Name :
Sonoma -- U.S. County in California
Population (2000) :
458614
Housing Units (2000) :
183153
Land area (2000) :
1575.878320 sq. miles (4081.505939 sq. km)
Water area (2000) :
192.347565 sq. miles (498.177886 sq. km)
Total area (2000) :
1768.225885 sq. miles (4579.683825 sq. km)
Located within :
California (CA), FIPS 06
Location :
38.440089 N, 122.768624 W