Alameda, San Mateo, Livermore, and Redwood City are all suburbs of San Francisco. Alameda is a city located on an island in the San Francisco Bay, with a population of around 80, 000 people. San Mateo is a city located south of San Francisco, with a population of around 100, 000 people. Livermore is a city located east of San Francisco, with a population of around 90, 000 people. Redwood City is a city located south of San Francisco, with a population of around 85, 000 people. All four cities are popular destinations for those looking to live outside of the hustle and bustle of San Francisco.