1. Atherton, California (Average Household Income: $525,324)
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Holding the top spot by a wide margin, Atherton is home to some absolutely staggering mega-mansions. The town is also in close proximity to Stanford University, one of the top schools in the country.
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Situated between San Jose and San Francisco, it has become the hometown of some of Silicon Valley’s wealthiest entrepreneurs. Facebook’s Sheryl Sandberg, Google’s Eric Schmidt, and Hewlett-Packard’s Meg Whitman all live in Atherton.
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