The total assets of ultra-high-net-worth individuals in the U.S rose 9% to $15.2 trillion in 2014. In the top dozen cities alone, wealth rose by more than a trillion dollars.
According to Capgemini's 2015 U.S. Wealth Report, the areas of the country that saw the biggest rise in HNWI residents were in Texas and the West Coast, mainly because of growth in real estate prices. (Capgemini defined HNWI as those with at least $1 million of investable assets excluding primary residence, collectibles, consumables and other consumer durables.)