The County provides a wide variety of health, public safety and community services to residents of the region's 18 cities and a large unincorporated area.

San Diego County (/ ˌsændiˈeɪɡoʊ / ⓘ), officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; [ 7 ] it is the second-most populous county in California and the fifth-most populous in the United States.

San Diego (/ ˌ s æ n d i ˈ eɪ ɡ oʊ / ⓘ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border.With a population of over 1.3 million, it is the eighth-most populous city in the United States and the second-most populous in the state of California.San Diego is the seat of San Diego County, …

The government of San Diego County is defined and authorized under the Constitution of California, California law, and the Charter of the County of San Diego. [1] Much of the government of California is in practice the responsibility of county governments such as …

May 26, 2015 · SAN DIEGO. County seat, San Diego. Created February 18, 1850. Named after San Diego Bay, which had been rechristened by Vizcaino in 1602, in honor of the Franciscan, San Diego de Alcala de Henares, whose name was borne by his flagship.

San Diego County is a large county in the southwest area of California. The county borders Mexico. The population of San Diego County was 3,298,634 in 2020, [1] which makes San Diego County the second most populated county in California. San Diego County has about 70 miles (110 km) of coastline.

Jul 1, 2024 · San Diego County, California. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.

San Diego County encompasses 18 incorporated cities and numerous other charming neighborhoods. California's second largest city and the United States' eighth largest, San Diego boasts a citywide population of nearly 1.3 million residents and …

San Diego County is the southern-most region of Southern California. It encompasses the city of San Diego and its large metropolitan area, which includes many smaller cities and communities. San Diego County lies along the U.S.-Mexican border, across from the Mexican city of Tijuana.

Feb 1, 2025 · San Diego, port and city, seat (1850) of San Diego county, southern California, U.S. It lies along the Pacific Ocean at San Diego Bay, just north of the international border with Mexico and some 120 miles (195 km) southeast of Los Angeles.