How many people live in SF and Silicon Valley? 4 million people? There are 20 million people who live in the NY area?<p><a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;New_York_metropolitan_area" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;New_York_metropolitan_area</a><p>If you want to work in Manhattan, you need to live near mass transit (bus, train) because 30 miles in&#x2F;out of the island is too painful. That greatly limits where you can live.