24. Los Altos, California (Average Household Income: $302,068)

Like many on this list, Los Altos, California has landed itself on this list because of its close proximity to Silicon Valley. A lot of wealthy tech wizards and entrepreneurs pay a lot to live in the area.

Los Altos means “the Heights” in Spanish, which adds up since several towns in this vicinity have Spanish names. It’s located just south of Stanford University, and also just south of the wealthiest town in the country.