California Counties
Welcome to our comprehensive guide to California's counties! The Golden State's 58 counties represent the world's fifth-largest economy, offering unparalleled business opportunities across technology, entertainment, agriculture, and manufacturing sectors. Each county provides unique advantages for businesses, from Silicon Valley's tech ecosystem to the Central Valley's agricultural powerhouse.
Business Quick Facts About California
- Home to the largest venture capital ecosystem in the world
- Leading state for international trade and foreign direct investment
- Largest consumer market in the United States
- World-class research universities and talent pipeline
- Strong intellectual property protections and innovation incentives
Below you'll find links to detailed information about each county in California, including economic development resources, tax incentives, workforce data, and industry-specific opportunities. Each county page provides essential information for business planning and expansion.
County Directory
- 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