Menlo Park is a city at the eastern edge of San Mateo County, in the San Francisco Bay Area of California, in the United States. It is bordered by San Francisco Bay on the north and east; East Palo Alto, Palo Alto, and Stanford to the south; Atherton, North Fair Oaks, and Redwood City to the west. Menlo Park is one of the most educated cities in the state of California and the United States; nearly 70% of residents over the age of 25 has earned a bachelor's degree or higher. Menlo Park had 32,026 inhabitants according to the 2010 United States Census, which had grown to an estimated 33,888 inhabitants by 2016. Menlo Park is the site of Facebook's main campus.
Much of Menlo Park's economy revolves around the companies on Sand Hill Road, consisting of venture capital, private equity, financial services, law firms, and other professional service companies and investment vehicles focusing on technology. Geron, Robert Half International, Exponent, Sunset and SRI International are among the companies based in Menlo Park. Facebook moved its headquarters to the former campus of Sun Microsystems in Menlo Park in December 2011.