There are 76,815 residents in Redwood City, which is 34.7 square miles and 20ft above sea level. It was settled in May 11, 1867 and is governed by a local government.
There are 97,207 residents in San Mateo, which is 15.9 square miles and 46ft above sea level. It was settled in September 4, 1894 and is governed by a local government.
There are 63,632 residents in South San Francisco, which is 30.2 square miles and 16ft above sea level. It was settled in September 19, 1908 and is governed by a local government.