Rural Caucus Regions

Northern Coastal ​ – Del Norte, Humboldt, Trinity, Mendocino, Lake, Sonoma, Napa, Marin

Northern​ ​ – Siskiyou, Modoc, Shasta, Lassen, Plumas, Sierra, Nevada

Northern Central​ ​- Tehama, Glenn, Butte, Colusa, Yuba, Sutter, Yolo, Sacramento

Bay​ ​Area​ ​ – Solano, Contra Costa, Alameda, San Francisco, San Mateo, Santa Clara

Gold​ ​Country​ ​ – Placer, El Dorado, Alpine, Amador, Calaveras, Tuolumne

Central​ ​​ – San Joaquin, Stanislaus, Merced

Central​ ​Coast​ ​​ – Santa Cruz, Monterey, San Benito, San Luis Obispo, Santa Barbara, Ventura

South​ ​Central​ ​​- Mariposa, Madera, Fresno, Kings, Tulare, Kern

Southern Coastal ​​ – Los Angeles, Orange, San Diego

Inland​ ​Empire/Desert​ ​​ – Mono, ​Inyo, San Bernardino, Riverside, Imperial