According to a report in Fortune magazine, Detroit ranks 11th in total wealth, with 116,200 residents owning a total wealth of $468 billion. New York ranks No. 1, with 963,100 wealthy residents with a total wealth of $3.5 trillion. The wealth of these high net-worth individuals, those with at least one million in assets, rose more than 1 trillion between 2013 and 2014.