I live in Chicago, how about you?
I do not but it is quite populated. It is estimated to be from 9.5 million to9.9 million people which makes it the third largest metropolitan area in the united states!
Yes, Chicago has a lot of people.
Yes and a lot of rich businesses. It's home to more than 400 major corporate headquarters including 31 that are in the Fortune 500! 
Chicago metropolitan area
The chicago metropolitan statistical area also eans msa, it was originally designated y the US census bureau in 1950.
I work for one of the Fortune 500 companies.
I meant means* sorry about that typo. Chicago has one of the world's largest and most diversified economies with more than 4 million employees generating an annual gross regional product of over 561 billion. That is A LOT