Find out the list of all California counties in alphabetical order today, county seats, size and other valuable information.
California state has 58 counties which serves as the local government unit within the state and each of them vary in size, population. The Los Angeles County stands out as the most populous while San Bernardino County lead as the largest by land area.
Some California counties of were established as early as 1850 especially the 27 original counties. They play a crucial role in the governance of the people at the local level.
List of 58 California counties in alphabetically
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 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
The City and County of San Francisco
Trinity County
Tulare County
Tuolumne County
Ventura County
Yolo County
Yuba County
List of California counties printable and scannable
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 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, The City and County of San Francisco, Trinity County, Tulare County, Tuolumne County, Ventura County
Yolo County, Yuba County
List of California counties by size from largest to smallest
San Bernardino County
Inyo County
Kern County
Riverside County
Siskiyou County
Fresno County
Tulare County
Lassen County
San Diego County
Imperial County
Los Angeles County
Modoc County
Shasta County
Humboldt County
Mendocino County
San Luis Obispo County
Monterey County
Trinity County
Mono County
Tehama County
Santa Barbara County
Plumas County
Tuolumne County
Madera County
Merced County
Ventura County
El Dorado County
Butte County
Sonoma County
Stanislaus County
Mariposa County
Placer County
San Joaquin County
Kings County
San Benito County
Glenn County
Santa Clara County
Lake County
Colusa County
Calaveras County
Yolo County
Del Norte County
Sacramento County
Nevada County
Sierra County
Solano County
Orange County
Napa County
Alameda County
Alpine County
Contra Costa County
Yuba County
Sutter County
Amador County
Marin County
San Mateo County
Santa Cruz County
San Francisco County (smallest)
List of California counties and their county seats
County - (Seat)
Alameda County (Oakland)
Alpine County (Markleeville)
Amador County (Jackson)
Butte County (Oroville)
Calaveras County (San Andreas)
Colusa County (Colusa)
Contra Costa County (Martinez)
Del Norte County (Crescent City)
El Dorado County (Placerville)
Fresno County (Fresno)
Glenn County (Willows)
Humboldt County (Eureka)
Imperial County (El Centro)
Inyo County (Independence)
Kern County (Bakersfield)
Kings County (Hanford)
Lake County (Lakeport)
Lassen County (Susanville)
Los Angeles County (Los Angeles)
Madera County (Madera)
Marin County (San Rafael)
Mariposa County (Mariposa)
Mendocino County (Ukiah)
Merced County (Merced)
Modoc County (Alturas)
Mono County (Bridgeport)
Monterey County (Salinas)
Napa County (Napa)
Nevada County (Nevada City)
Orange County (Santa Ana)
Placer County (Auburn)
Plumas County (Quincy)
Riverside County (Riverside)
Sacramento County (Sacramento)
San Benito County (Hollister)
San Bernardino County (San Bernardino)
San Diego County (San Diego)
San Francisco County (San Francisco)
San Joaquin County (Stockton)
San Luis Obispo County (San Luis Obispo)
San Mateo County (Redwood City)
Santa Barbara County (Santa Barbara)
Santa Clara County (San Jose)
Santa Cruz County (Santa Cruz)
Shasta County (Redding)
Sierra County (Downieville)
Siskiyou County (Yreka)
Solano County (Fairfield)
Sonoma County (Santa Rosa)
Stanislaus County (Modesto)
Sutter County (Yuba City)
Tehama County (Red Bluff)
Trinity County (Weaverville)
Tulare County (Visalia)
Tuolumne County (Sonora)
Ventura County (Ventura)
Yolo County (Woodland)
Yuba County (Marysville)
The 10 must-do Experiences in California
Balboa Park
The Huntington Library & Gardens
Golden Gate Bridge
Alcatraz Island
Fisherman’s Wharf
Golden Gate Park
San Francisco Museum of Modern Art (SFMOMA)
Rosicrucian Egyptian Museum
Yosemite National Park
Universal Studios Hollywood