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California Counties

California has 58 counties, each with its own local government structure. Below is a comprehensive list organized by region:

Northern California

  • Butte
  • Colusa
  • Del Norte
  • Glenn
  • Humboldt
  • Lake
  • Lassen
  • Mendocino
  • Modoc
  • Nevada
  • Plumas
  • Shasta
  • Sierra
  • Siskiyou
  • Tehama
  • Trinity

Greater Sacramento

  • El Dorado
  • Placer
  • Sacramento
  • Sutter
  • Yolo
  • Yuba

Bay Area

  • Alameda
  • Contra Costa
  • Marin
  • Napa
  • San Francisco
  • San Mateo
  • Santa Clara
  • Solano
  • Sonoma

Central Coast

  • Monterey
  • San Benito
  • San Luis Obispo
  • Santa Barbara
  • Santa Cruz

San Joaquin

  • Fresno
  • Kern
  • Kings
  • Madera
  • Merced
  • San Joaquin
  • Stanislaus
  • Tulare

Sierras

  • Alpine
  • Amador
  • Calaveras
  • Inyo
  • Mariposa
  • Mono
  • Tuolumne

Los Angeles

  • Los Angeles
  • Orange
  • Ventura

Inland Empire

  • Riverside
  • San Bernardino

San Diego

  • Imperial
  • San Diego