Based on census data, a staggering 15.9% of Silicon Valley residents rank in the richest 5% of the US. That means that those 15.9% are making at least $191,469 a year. Surprisingly, this is still not enough for the top spot. A Connecticut suburb outside of NYC won the gold medal with 17.9% of households belonging to the top 5% club. In 3rd place behind San Jose was Washington DC. San Francisco and NYC were tied for 4th place with 10% of earners in the top 5%.