“Portfolio.com and Bizjournals analyzed all 420 U.S. cities with populations above 75,000. The study’s six-part formula was geared to identify the nation’s most affluent communities, which it calls wealth centers. [At the bottom of this page]is a sortable database with the rankings for all 420 cities in the study. You can drill down to a single state, or you can view the entire database at once by simply hitting the Search button. If you click View Details, you’ll get a statistical breakdown for the community of your choice.”