United States of Dollar Stores -- dollar stores see a rise in households making $70,000

"The fastest growing segment of dollar store customers are coming from those making $70,000 a year or more. In fact, 1 out of 5 dollar store shoppers come from this group. Keep in mind the median household income in the US is $50,000 and those that make $70,000 a year or more are in the top 35 percent of households."