Overview for Atherton, CA
Atherton, an exclusive residential town in San Mateo County, California, is renowned for its privacy, luxury, and elegance. Tucked between Menlo Park and Redwood City in the heart of Silicon Valley, Atherton offers a tranquil, estate-like atmosphere that appeals to successful entrepreneurs, executives, and families seeking a secluded, high-quality lifestyle. With a median age of approximately 48.2 years, Atherton features a well-established community with a focus on comfort, security, and discretion.
The town is distinguished by its spacious lots, grand homes, and tree-lined streets, offering a park-like setting that feels worlds away from the hustle of nearby tech hubs. Atherton places a strong emphasis on maintaining its low-density, residential character—there are no commercial zones, making it one of the few communities in the Bay Area without a traditional downtown.
Despite its quiet ambiance, Atherton residents enjoy convenient access to world-class amenities and cultural offerings in nearby Palo Alto, Menlo Park, and Stanford University. The town is also close to several elite private schools, as well as top-performing public schools in the Menlo-Atherton Union and Las Lomitas districts, making it highly desirable for families.
For outdoor enthusiasts, Atherton is home to scenic spots like Holbrook-Palmer Park, a local gem that hosts community events and provides space for walking, picnicking, and tennis. The town’s commitment to green space and its serene environment foster a peaceful lifestyle.
With its unparalleled privacy, proximity to Silicon Valley, and prestigious reputation, Atherton continues to be one of the most sought-after residential enclaves in California for those seeking understated luxury and exclusivity.
Sources: U.S. Census Bureau, Data USA, Town of Atherton
Total Population
Approximately 7,200
Median Age
48.2 years
Population Density
1,400 people per square mile (low)
Average Household Income
~$525,000
