REGION MAP

Region Map

Regions are identified by counties as follows:

 

Region 1 Counties:

  • Alpine County
  • Amador County
  • Butte County
  • Calaveras County
  • Colusa County
  • El Dorado County
  • Glenn County
  • Lassen County
  • Modoc County
  • Nevada County
  • Placer County
  • Plumas County
  • Sacramento County
  • San Joaquin County
  • Shasta County
  • Sierra County
  • Siskiyou County
  • Sutter County
  • Tehama County
  • Yolo County
  • Yuba County
Region 2 Counties:

  • Alameda County
  • Contra Costa County
  • Del Norte County
  • Humboldt County
  • Lake County
  • Marin County
  • Mendocino County
  • Monterey County
  • Napa County
  • San Benito County
  • San Francisco County
  • San Mateo County
  • Santa Clara County
  • Santa Cruz County
  • Solano County
  • Sonoma County
  • Trinity County
Region 3 Counties:

  • Fresno County
  • Inyo County
  • Kern County
  • Kings County
  • Madera County
  • Mariposa County
  • Merced County
  • Mono County
  • Stanislaus County
  • Tulare County
  • Tuolumne County
Region 4 Counties:

  • Los Angeles County
  • Ventura County
  • Santa Barbara County
  • San Luis Obispo County
Region 5 Counties:

  • San Bernardino County
  • Orange County
  • Riverside County
Region 6 Counties:

  • San Diego County
  • Imperial County
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