To live comfortably in America's richest city, you'll need $124,561 a year. That's according to a CheatSheet analysis, which defines the wealthiest cities as those with the highest percentage of people making more than $150,000 per year, the Washington Post reports. The analysis also reveals how much you need to make to live comfortably in those cities. The findings are based in part on a 2010 study that says daily "emotional well-being" doesn't climb with income once a household makes at least $75,000; CheatSheet tweaked that figure based on the idea that Phoenix is a fairly "average" city when it comes to income and cost of living. Here are the cities ranked by richness, plus the salaries needed for comfort (which don't necessarily follow the same order):