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Fortune staffer Erik Sherman taps into a new report from Capgemini on the $15.2 trillion in wealth of the United States' 4.4 million high net worth individuals.
Two-thirds of the individuals--ones with $1 million or more in investable assets--live in 12 cities, where investable wealth grew by US$1 trillion (10 percent) to US$11.4 trillion during 2014.
Would you like to know which ones? Have a look at this interactive, tracking the changes in HWNI geography over the past three years.
While New York remains the city with the highest HNWI population overall, the top six cities for HNWI growth were in Texas and the West Coast, driven by strong real estate market.