'Ventura County, CA' definitions:

Ventura -- U.S. County in California

From: Gazetteer 2000
Name :
Ventura -- U.S. County in California
Population (2000) :
753197
Housing Units (2000) :
251712
Land area (2000) :
1845.299051 sq. miles (4779.302398 sq. km)
Water area (2000) :
362.897480 sq. miles (939.900119 sq. km)
Total area (2000) :
2208.196531 sq. miles (5719.202517 sq. km)
Located within :
California (CA), FIPS 06
Location :
34.277048 N, 119.045326 W