Cities & Towns in San Diego County, CA

San Diego County, San Diego County, founded in 1850, is one of 58 counties in the US state of California. In 2010 census, the county had a population of 3,222,466 and a population density of 275 people per km², making it the fifth most populous county in the United States and the second in California. In 2019 county had a population of 3,338,330.. The county's headquarters are San Diego.. As of 2020 county had an estimated population of 3,332,427 inhabitants. The county was created 174 years ago in 1850. Its county seat is San Diego.

There are 39 city/town in San Diego County, CA. The largest city of San Diego County is San Diego with a population of 1,422,420. Other cities include, Chula Vista population 272,979, Oceanside population 174,648, Escondido population 149,943, Carlsbad population 115,599

San Diego
San Diego

San Diego, The eighth most populous city in the United States and the center of the San Diego metropolitan area.

Chula Vista
Chula Vista

Chula Vista, The second most populous city in San Diego County, California.

Oceanside
Oceanside

Oceanside, The second most populous city in San Diego County, California.

San Diego County is home to 18 incorporated cities, each with its own unique character and attractions. From the beaches of coastal towns like Oceanside and Imperial Beach to inland communities like Escondido and El Cajon, the cities of San Diego County offer residents and visitors diverse options for living, working, dining, and exploring.

The city of San Diego is the county seat and largest city, known for its beautiful beaches, the historic Gaslamp Quarter, Balboa Park, and world-famous San Diego Zoo. Just north of San Diego you'll find Encinitas, an iconic surf town with great shops and restaurants. Coastal Carlsbad is popular for its flower fields and LEGOLAND amusement park.

Inland, La Mesa and El Cajon cater to a more suburban lifestyle with quality schools and neighborhoods. Lemon Grove and Santee are other great East County communities. Down south, Vista is known for its beaches, its Mexican culture, and its many attractions, such as the Otay Mountain Wilderness and the Chula Vista Nature Center.">Chula Vista and National City are economic hubs near the US-Mexico border.

No matter your interests - arts, dining al fresco, sports, or outdoor activities - you'll find vibrant cities and towns to explore across San Diego County. The mild climate, diverse neighborhoods, and laidback vibe make it an ideal place to live, work, and play.

All San Diego County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in San Diego County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title Population
Alpine Census-designated place in San Diego County, California, United States 14,236
Bonita Census designated place 12,538
Bonsall Census-designated place in San Diego County, California 3,982
Borrego Springs Census-designated place in San Diego County, California 3,429
Carlsbad The most populous city in San Diego County, California. 115,599
Chula Vista The second most populous city in San Diego County, California. 272,979
Coronado City in San Diego County, California, United States 22,647
Del Mar City in California 4,304
El Cajon The second most populous city in San Diego County, California. 102,401
Encinitas The most populous city in San Diego County, California. 62,671
Escondido The second most populous city in San Diego County, California. 149,943
Fallbrook Unincorporated community in San Diego County, California, United States 30,534
Granite Hills Census-designated place in San Diego County, California 3,035
Harbison Canyon Census-designated place in San Diego County, California 3,841
Hidden Meadows Census-designated place in San Diego County, California 3,485
Imperial Beach City in California, USA 27,325
Jamul Census-designated place in San Diego County, California 6,163
Julian Census designated place 1,502
La Mesa The most populous city in San Diego County, California. 59,724
La Presa Census designated place 34,169
Lake San Marcos Census-designated place in San Diego County, California 4,437
Lemon Grove City in San Diego County, California, USA 26,528
National City The most populous city in San Diego County, California. 61,394
Oceanside The second most populous city in San Diego County, California. 174,648
Pine Valley Census-designated place in San Diego County, California 1,510
Poway A city in San Diego County, California. 49,246
Rainbow Census-designated place in San Diego County, California, United States of America 1,832
Ramona Town in California 20,292
Rancho San Diego Census designated place 21,208
Rancho Santa Fe Census-designated place in San Diego County, California, United States 3,117
San Diego The eighth most populous city in the United States and the center of the San Diego metropolitan area. 1,422,420
San Diego Country Estates Census-designated place in San Diego County, California 10,109
San Marcos The second most populous city in San Diego County, California. 97,477
Santee A city in San Diego County, California. 57,770
Solana Beach City in San Diego County, California, United States 13,190
Spring Valley Town in San Diego County, California, United States 28,205
Valley Center City in Sedgwick County, Kansas, United States of America 9,277
Vista The most populous city in San Diego County, California. 100,636
Winter Gardens Census-designated place in San Diego County, California 20,631
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County Cities on Map (39)