| | | San Bernardino County | CA | 06071 | | Riverside-San
Bernardino-Ontario, CA 40140 | Los Angeles-Long Beach,
CA 348 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SanBernardinoCounty+CA |
| | | San Diego County | CA | 06073 | | San Diego-Chula
Vista-Carlsbad, CA 41740 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SanDiegoCounty+CA |
| | | San Joaquin County | CA | 06077 | | Stockton-Lodi, CA 44700 | San Jose-San
Francisco-Oakland, CA 488 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SanJoaquinCounty+CA |
| | | San Luis Obispo County | CA | 06079 | | San Luis Obispo-Paso
Robles, CA 42020 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=SanLuisObispoCounty+CA |
| | | Santa Barbara County | CA | 06083 | | Santa Maria-Santa
Barbara, CA 42200 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SantaBarbaraCounty+CA |
| | | Santa Clara County | CA | 06085 | | San Jose-Sunnyvale-Santa
Clara, CA 41940 | San Jose-San
Francisco-Oakland, CA 488 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SantaClaraCounty+CA |
| | | Santa Cruz County | CA | 06087 | | Santa Cruz-Watsonville,
CA 42100 | San Jose-San
Francisco-Oakland, CA 488 | Central | metro county (urban) | recreation | https://maps.google.com/?q=SantaCruzCounty+CA |
| | | Shasta County | CA | 06089 | | Redding, CA 39820 | Redding-Red Bluff, CA 454 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ShastaCounty+CA |
| | | Sierra County | CA | 06091 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SierraCounty+CA |
| | | Siskiyou County | CA | 06093 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SiskiyouCounty+CA |
