WebMenlo Park (/ ˈ m ɛ n l oʊ / MEN-loh) is a city at the eastern edge of San Mateo County within the San Francisco Bay Area of California, United States.It is bordered by San Francisco Bay on the north and east; East Palo Alto, Palo Alto, and Stanford to the south; and Atherton, North Fair Oaks, and Redwood City to the west. It had 33,780 residents at the 2020 United States census.