It's definitely a diverse area with all the new development coming in next to the existing. 

Many folks believe that because Chicago is much more diverse in its industries, economy and has better job creation strengths, that Chicago will be immune from Detroit's death spiral of (a) borrowing and pension debt, (b) failure to control the costs of government, (c) loss of state revenues, (d) bad public schools and (e) ever increasing tax burden for working, middle class families.My interest in this question stems primarily from the dramatic price declines in Detroit real estate prices before its municipal bankruptcy. 

I have been fortunate to gain many valuable skills and experiences along the way as well as develop a diverse network across several industries.  

As with your stock portfolio, I would encourage you to consider your goals - growth, income, hedge (diversity), how much involvement you wish to have (passive investment verse active), etc.  

I think another fundamental strategy I have going is to deploy capital now in good and diverse vehicles so that when people start losing jobs and such, my mailbox money keeps coming in*.

The economy is diverse, too, focusing on healthcare, biomedical research, education, transportation, distribution and logistics.  

Biggerpockets community is truly awesome through their diversity (buy and hold, wholesalers, bird dogs, commerce, developers, flippers, agents, etc).

In the end I cannot say which is better but diversity is always good.

Wide range & diverse population here.

Diverse job industry - go to Wikipedia page for city, chamber of commerce 4.