Atherton, Calif.

Atherton, Calif.

Overall rank: 2
Households: 2,441
Average income: $380,535
Average net worth: $1,648,161
Change in income since 2000: +14%
Income rank: 1
Net worth rank: 14

Atherton, between San Francisco Bay and the Pacific Ocean, has the highest average income in the country. The Silicon Valley town's wealthy residents include Google (GOOG) CEO Eric Schmidt and Charles Schwab (SCHW), founder of the brokerage firm of the same name.