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The professional class, also called the upper middle class, consists mostly of highly educated white collar salaried professionals, whose work is largely self-directed. In 2005, these household incomes commonly exceed $100,000 per year.
Middle class a matter of income, attitude. CINCINNATI -- Strictly speaking, the median, or middle, household income in the United States today is $50,054. That's easy. The hard part is figuring out how far above or below the middle someone's income can go and still be considered middle class.