The first thing that crossed my mind when I saw this was “why in the world do we need to spend 10 million dollars to fluoridate water in Santa Clara Valley?”.   As published in Yahoo finance.

1. San Jose-Sunnyvale-Santa Clara, Calif.
> Median household income: $90,737
> Population: 1,894,388 (32nd highest)
> Unemployment rate: 8.6% (112th highest)
> Poverty rate: 10.8% (28th lowest)

Median income in the San Jose metro area, which constitutes part of Silicon Valley, jumped from $85,736 in 2011 to $90,737 last year. San Jose had among the largest concentrations of high-paying professional services and information jobs in the nation. But the area is not only the wealthiest in the nation, it has also become one of the most-desired housing markets. Just 3.6% of housing units were vacant in 2012, down from 4.9% in 2008, while median gross rent reached $1,560 last year, more than any other metro area in the U.S. Home values also were the highest in the nation, with a median of $624,200. More than 20% of homes in the area were valued at over $1

 

The actual article can be found here.