"After years of declining population and crumbling infrastructure, Detroit has spent the last decade trying spark a renaissance. Its efforts might be working, as the number of ultra-wealthy individuals in the Detroit metro, which includes Warren and Dearborn, Michigan, increased by 9.5 percent from 2015 to 2016."

https://www.moneytalksnews.com/slideshows/where-the-super-wealthy-live-the-top-32-cities/?utm_source=newsletter&utm_campaign=email-2018-02-17-am&utm_medium=email&subscriber=yes