Counties in California
CA · 58 counties
Find Your California County
California County Map
All 58 counties in California. Hover to identify.
All 58 Counties
Alameda County
Alpine County
Amador County
Butte County
Calaveras County
Colusa County
Contra Costa County
Del Norte County
El Dorado County
Fresno County
Glenn County
Humboldt County
Imperial County
Inyo County
Kern County
Kings County
Lake County
Lassen County
Los Angeles County
Madera County
Marin County
Mariposa County
Mendocino County
Merced County
Modoc County
Mono County
Monterey County
Napa County
Nevada County
Orange County
Placer County
Plumas County
Riverside County
Sacramento County
San Benito County
San Bernardino County
San Diego County
San Francisco County
San Joaquin County
San Luis Obispo County
San Mateo County
Santa Barbara County
Santa Clara County
Santa Cruz County
Shasta County
Sierra County
Siskiyou County
Solano County
Sonoma County
Stanislaus County
Sutter County
Tehama County
Trinity County
Tulare County
Tuolumne County
Ventura County
Yolo County
Yuba County
About California Counties
California is divided into 58 counties. Each county has its own government, court system, and administrative offices. Use the ZIP code lookup above to find which county any address in California belongs to.
Frequently Asked Questions
How many counties does California have?
California has 58 counties.
How do I find my county in California?
Enter your ZIP code in the search box above to instantly find which California county you're in.
What is the largest county in California?
Use our county lookup tool to explore all 58 counties in California and find detailed information about each one.