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Complete List of California's 58 Counties: Official Websites and County Codes

Our definitive list provides key details for all 58 counties in California.

Complete List of California's 58 Counties: Official Websites and County Codes post image

California is home to 58 unique counties, each with its own government, economy, and cultural identity. From the coastal landscapes of Santa Cruz to the vast deserts of Imperial County, the Golden State's counties offer a diverse range of geography, history, and industries. Below, you'll find a comprehensive list of California counties, their official government websites, and their assigned county codes.

Understanding California's County System

Counties in California serve as primary administrative divisions of the state, each managing services such as public health, transportation, land use, and law enforcement. While some counties—like Los Angeles County—are densely populated urban centers, others, such as Alpine County, are rural and sparsely inhabited.

How Counties are Structured - California State Association of Counties
The basic provisions for the government of California counties are contained in the California Constitution and the…
California State Association of Counties

California's county system helps organize local governance and public services for the state’s nearly 40 million residents. Each county has an elected board of supervisors responsible for overseeing budgets, policies, and services.

Below is a full list of all 58 California counties, complete with their official websites and county codes.

Whether you're researching counties for relocation, travel, or governance, this guide provides a quick reference to each of California’s 58 counties. Bookmark this page for easy access to official county websites and resources.