Hat tip to Eddie for sending in this article – more than half of the people leaving San Diego are millennials!  But the article says it is the cost of living that runs people out, so it isn’t just the millennials – it’s everyone who finds the costs exorbitant:

http://www.businessinsider.com/trulia-millennial-migration-from-cities-home-prices-2016-4

An excerpt:

We have noted before that millennials may have reached peak urban living. Many young people flock to big cities for the big companies, nice-paying jobs, and fun social scenes.

They soon find the cost of living in these places unsustainable, however, especially if they plan to start families.