'Orange County, CA' definitions:

Orange -- U.S. County in California

From: Gazetteer 2000
Name :
Orange -- U.S. County in California
Population (2000) :
2846289
Housing Units (2000) :
969484
Land area (2000) :
789.404295 sq. miles (2044.547652 sq. km)
Water area (2000) :
158.572057 sq. miles (410.699725 sq. km)
Total area (2000) :
947.976352 sq. miles (2455.247377 sq. km)
Located within :
California (CA), FIPS 06
Location :
33.731518 N, 117.861663 W