San Ramon is a city located in Contra Costa County, California, United States. It is situated in the San Ramon Valley, approximately 34 miles east of San Francisco. The city has a population of around 76,235 as of 2020 and covers an area of 18.06 square miles. San Ramon is known for its high quality of life, excellent schools, and numerous parks and open spaces. It is also home to many businesses, including major corporate headquarters, making it a hub for employment opportunities in the area.