Get our free mobile appGiven that, it only makes sense that booming businesses mean booming suburbs—and wealthy suburbs at that—are soon to follow. GOBankingRates rated the fastest-growing wealthy suburbs in the United States in May of this year. How the Rankings Were DeterminedSo, how did GOBankingRates come to determine which U.S. suburbs are the fastest-growing wealthy suburbs? So, which 3 Texas suburbs topped the GOBankingRates list? Other Texas Suburbs on the ListInterestingly, seven Texas suburbs made the list, more than any other state.