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List of California (CA) counties alphabetically, seats, size detailed map

List of California Counties in alphabetical order, seat, sizes

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