San Diego County, California

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.

About

San Diego County is a county located in the U.S. state of California. As of the 2010 census, the population was 3,095,313 and a population density of 264 people per km². After 10 years in 2020 county had an estimated population of 3,332,427 inhabitants. Its county seat is San Diego. The county was created 174 years ago in 1849.

San Diego County locator map
Location of San Diego County on California map.

Quick Facts about San Diego County

Population : 3,332,427 (2020)
Country : United States of America
State : California (United States)
Twitter username : sandiegocounty
Area : 11721 km2
Water as percent of area : 7.05%
Land as percent of area : 92.95%
Named for : San Diego
Altitude : 6,535 feet / 1992 meters
Capital : San Diego
Establishment : January 01, 1850
Time Zone : Pacific Time Zone
Local time : 23:42:23 (18th March 2024)
Density : 284 Pop. per km² as of 2020
Population growth : 7.12% (2010-2020)
Seal of San Diego County  California seal image
Seal of San Diego County California
Seal of San Diego County  California seal image

Geography

San Diego County is located at 33°1'42"N 116°46'13"W (33.0282000, -116.7702100). It has 4 neighbors: Estado de Baja California, Imperial County, Orange County and Riverside County.

San Diego County map

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 and Carlsbad population 115,599. See all San Diego County cities & populated places.

San Diego County Populated Places (more)

Cities, towns, neighborhoods & other populated places in San Diego County.

City Name Population Title
San Diego 1,422,420 The eighth most populous city in the United States and the center of the San Diego metropolitan area.
Chula Vista 272,979 The second most populous city in San Diego County, California.
Oceanside 174,648 The second most populous city in San Diego County, California.
Escondido 149,943 The second most populous city in San Diego County, California.
Carlsbad 115,599 The most populous city in San Diego County, California.
El Cajon 102,401 The second most populous city in San Diego County, California.
Vista 100,636 The most populous city in San Diego County, California.
San Marcos 97,477 The second most populous city in San Diego County, California.
Encinitas 62,671 The most populous city in San Diego County, California.
National City 61,394 The most populous city in San Diego County, California.
La Mesa 59,724 The most populous city in San Diego County, California.
Santee 57,770 A city in San Diego County, California.
Poway 49,246 A city in San Diego County, California.
La Presa 34,169 Census designated place
Fallbrook 30,534 Unincorporated community in San Diego County, California, United States
Spring Valley 28,205 Town in San Diego County, California, United States

San Diego County has 4 neighbours.

Demographics

The population of San Diego County increased by 7.12% in 10 years.

Year Population % Change Method
2010 3,095,313 - census
2011 3,137,156 1.33% estimation process
2012 3,174,335 1.17% estimation process
2013 3,209,768 1.1% estimation process
2014 3,248,877 1.2% estimation process
2015 3,280,850 0.97% estimation process
2016 3,306,089 0.76% estimation process
2017 3,321,237 0.46% estimation process
2018 3,333,861 0.38% estimation process
2019 3,338,330 0.13% estimation process
2020 3,332,427 -0.18% estimation process

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People born in San Diego County (15)

People born in San Diego County, including US actress Kristen Dalton, tennis player James Brink, writer Patricia Geary, .

List

  • Bob Biggs (American football player and coach, Canadian football player) he was born in 20/02/1951
  • Brian Leung (Asian American writer)
  • Ann Millikan (American composer) she was born in 10/06/1963
  • James C. Swan he was born in 10/12/1963
  • Taylor Steele (surf film producer and director) he was born in 07/06/1982
  • Stephen the Levite (musician) he was born in 02/07/1981
  • Ash Thorp he was born in 01/01/1983
  • Dave Ross (American-football player (1938-)) he was born in 01/02/1938
  • Franc Ross (actor) he was born in 06/04/1954
  • Rebecca Boldrick (David Hoggs' mother)
  • Randy Crenshaw (American actor and singer) he was born in 24/12/1955
  • Carrie Cabelka (American political advisor) she was born in 27/04/1976

California Other Counties (more counties)

County Name Population Title
Los Angeles County 9,943,046 County in California, United States of America
Los Angeles 3,970,219 The second most populous city in the United States and the center of the Los Angeles metropolitan area.
Orange County 3,166,857 County in California, United States
Riverside County 2,489,188 County in California, United States
San Bernardino County 2,189,183 County in California, United States
Santa Clara County 1,907,105 County in California, United States
Alameda County 1,662,323 County in California, United States
Sacramento County 1,559,146 County in California, United States
San Diego 1,422,420 The eighth most populous city in the United States and the center of the San Diego metropolitan area.
Laguna 1,370,232 A city located in Orange County, California.
Contra Costa County 1,152,333 County in California, United States
San Jose 1,013,616 The tenth most populous city in the United States and the center of the San Jose metropolitan area.
Fresno County 1,000,918 County in California, United States
Kern County 901,362
San Francisco County 866,606 County, coextensive with the city of San Francisco, California, United States
San Francisco 866,606 The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.