Woodside is a small incorporated town in San Mateo County, California, United States, on the San Francisco Peninsula. It has a council–manager system of government. The population of the town was 5,309 at the 2020 census. The town's population has a median household income above $250,000 and median home price above $5 million. The town is known for its quaint and small town feel despite being close to Silicon Valley, and is home to many venture capital and investment firms.