Salaries by location are only so useful without some sort of cost of living adjustment. Silicon Valley has high salaries, but it's also one of the most expensiv

Salaries by location are only so useful without some sort of cost of living adjustment. Silicon Valley has high salaries, but it's also one of the most expensive places to live. Also what exactly constitutes "Silicon Valley" in these stats? The rest of these are cities or at least metro areas with two cities. Is "New York" the five boroughs or the greater metro area including parts of NJ and CT?