The two metros have consistently been atop rankings of the most affluent urban areas in recent years, but Silicon Valley has taken the upper hand
US median household income rose 5.2 percent last year, the fastest one-year increase in records that stretch back to the late 1960s.
The US economy has been on one of the largest job creation jags in history, creating new jobs for 71 consecutive months
The oil business has also been one of the few bright spots in recent years when it comes to creating good-paying jobs for Americans without college educations.
US eating and drinking establishments hired a robust 34,000 people during August, according to just-released numbers from the US Bureau of Labor Statistics.