La Península se divide en ciudades que incluyen: Atherton, Belmont, Brisbane, Burlingame, Colma, Daly City, East Palo Alto, Emerald Lake Hills, Foster City, Half Moon Bay, Hillsborough, Los Altos, Los Altos Hills, Menlo Park, Millbrae, Mountain View, North Fair Oaks, Pacífica, Palo Alto, Portola Valley, Redwood City, Redwood Shores, San Bruno, San Carlos, San Mateo, South San Francisco y Woodside.