About Bayside, CABayside is located in California. Bayside, California has a population of 1,819. Bayside is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 23%. The median household income in Bayside, California is $61,858. The median household income for the surrounding county is $44,970 compared to the national median of $57,525. The median age of people living in Bayside is 47.4 years. Bayside WeatherThe average high temperature in July is 63.3 degrees, with an average low temperature in January of 40.8 degrees. The annual precipitation is 38.1. Bayside MapBayside real estate officesReal estate near BaysideNearby Cities |