San Diego County is a large county located in the southwestern corner of the US state of California. It is the southwesternmost county in the 48 contiguous United States. Its county seat and largest city is San Diego. The county's population was about 2,813,835 in the 2000 U.S. Census. According to the 2010 U.S. Census, San Diego County had a population of 3,095,313 people, making it the second-most-populous county in California, just behind Los Angeles County. Its population in 2009 was estimated at 3,208,466, making it the fifth most-populous county in the United States and giving it a population greater than 20 of the 50 U.S. states.
San Diego County has 70 miles (110 km) of coastline. It has a mild Mediterranean to semi-arid climate. Also in this county are 16 significant naval and military locations of the United States Navy, U.S. Marine Corps and the U.S. Coast Guard, including Naval Base San Diego, Marine Corps Base Camp Pendleton, Marine Corps Air Station Miramar, and Naval Air Station North Island.
San Diego County is a large county located in the southwestern corner of the US state of California. It is the southwesternmost county in the 48 contiguous United States. Its county seat and largest city is San Diego. The county's population was about 2,813,835 in the 2000 U.S. Census. According to the 2010 U.S. Census, San Diego County had a population of 3,095,313 people, making it the second-most-populous county in California, just behind Los Angeles County. Its population in 2009 was estimated at 3,208,466, making it the fifth most-populous county in the United States and giving it a population greater than 20 of the 50 U.S. states.
San Diego County has 70 miles (110 km) of coastline. It has a mild Mediterranean to semi-arid climate. Also in this county are 16 significant naval and military locations of the United States Navy, U.S. Marine Corps and the U.S. Coast Guard, including Naval Base San Diego, Marine Corps Base Camp Pendleton, Marine Corps Air Station Miramar, and Naval Air Station North Island.