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Of the 58 counties in California, 14 are governed under a charter. They are Alameda, Butte, El Dorado, Fresno, Los Angeles, Orange, Placer, Sacramento, San Bernardino, San Diego, San Francisco, San Mateo, Santa Clara, and Tehama. [6] Nine counties in California are named for saints, tied with Louisiana for the largest number.
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- State of California
Old counties. Klamath County was formed in 1851 from the northern half of Trinity County. Part of the county's territory went to Del Norte County in 1857, and in 1874 the rest was split between Humboldt and Siskiyou counties. Pautah County was formed in 1852 out of land which, the state of California thought, was to be given to it by the United ...
CountyFips Code [1]County Seat [2]Established [2]1853186418541850The U.S. state of California is divided into 58 counties. The state was first divided into 27 counties on February 18, 1850. These were further sub-divided to form sixteen additional counties by 1860. Another fourteen counties were formed through further subdivision from 1861 to 1893. The most recent county to form was Imperial County, in 1907. California is home to San Bernardino County, the ...
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- Interactive Map of California Counties
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Below is a map of the 58 counties of California(you can click on the map to enlarge it and to see the major city in each state).
Los Angeles County
Los Angeles County is the most populous county in both California and the United States, with a population that surpasses 10 million. It’s home to the city of Los Angeles, the county seat, which holds the distinction of being the second-largest city in the nation. The city of Los Angeles is globally recognized for its entertainment industry, especially Hollywood, which has earned it the moniker of the “Entertainment Capital of the World.” The county is also renowned for its rich mix of cultur...
San Diego County
The second-most populous county in California is San Diego County, which lies at the southernmost edge of the state. There are over 3 million people that live here, and there are 18 Native American tribal reservations, the most of any county in the United States. The county seat is the city of San Diego, the second-most populous city in the state and famous for its pleasant year-round climate, extensive beaches, and natural deep-water harbor in which the Port of San Diego was established in 1...
Orange County
Like San Diego County, California’s Orange County lies in the southern part of the state and also boasts a population of over 3 million. This county is perhaps best known for its affluent communities such as Newport Beach and Huntington Beach, as well as the city of Anaheim, where Disneyland Resort is located. Orange County’s economy is driven by industries such as technology, healthcare, and professional services. The county is also home to important educational institutions, including the U...
Alpine County
With a population of only 1,344, Alpine County is the least populous county in California. It also has the lowest population density at just 0.7 people per square kilometer (0.27/mi2). Though it has a small population, the county’s location in the Sierra Nevada mountains gives it a big reputation for outdoor recreation. Alpine’s county seat and largest community is Markleeville, a census-designated place that hosts the Alpine County Courthouse at Marklee’s Cabine Site, a historical landmark....
Sierra County
Sierra County is tucked within the Sierra Nevada mountain range and is one of California’s least populous counties. The small population and surrounding natural beauty help to foster a close-knit community atmosphere in the county seat of Downieville and throughout the county. The area of modern-day Sierra County has been inhabited for more than 5,000 years. Some of the Native Americans to live here before the arrival of American immigrants in 1844 were the Miwok tribe and the Washoe tribe. T...
Modoc County
Located in the northeastern corner of California, Modoc County is a sparsely populated area known for its high desert landscapes and pine forests. The county seat is Alturas, which acts as a central hub for local ranching communities by providing necessary amenities. Alturas carries the motto, “Where the West Still Lives.” Outside of Alturas, the rural expanse of Modoc County offers remarkable natural scenery. Most notably the Modoc National Forestand a part of the Warner Mountains, providing...
San Francisco County
San Francisco County is the only consolidated city-county in California, meaning it’s governed as both a city and county. It’s also the smallest county in the state by area and has the highest population density. Known for its iconic landmarks and vibrant cultural scene, San Francisco County has a distinct identity. The Golden Gate Bridge and Park, Alcatraz Island, and Fisherman’s Wharf are just a few highlights that attract millions of tourists annually. It was also the birthplace of the 196...
Sacramento County
The city of Sacramento, which is the county seat of the eponymous county, is also the capital of the state of California, making Sacramento County the political hub of the state. It is one of the original 27 counties formed in 1850 and is known as the “City of Trees”for its many green spaces. The city of Sacramento is full of history, it’s home to the historic Sutter’s Fort, the homeland of the Nisenan people, and the first European colonial settlement in California’s Central Valley. The city...
Santa Clara County
Known as “Silicon Valley,” Santa Clara County is globally recognized as a hub for technology and innovation. The county’s cities of San Jose, Mountain View, and Palo Alto are home to many major tech companies like Apple, Google, and Facebook. In 2015, the area had the third-highest GDP per capita in the world. San Jose is the county seat and largest city in Santa Clara County. It is the largest city in Northern California by population and area, and it’s the third-most populous in the state a...
California Counties - Cities, Towns, Neighborhoods, Maps & Data. There are 58 counties in California. The city and county of San Francisco have consolidated functions and is classified as a municipal government that operates primarily as a city. All other counties are each governed by a board of supervisors.
Looking for all the counties in California. Search the complete list and interactive map of all the counties in the state of California. Map of all Counties in California [Updated 2021]
There are 58 counties in California. This page includes a list of all the counties and informational pages about the counties with population and other information. Alameda County. Alpine County, California. Amador County California. Butte County, Calif. Calaveras County California. Colusa County California. Contra Costa County, CA.