The IFS says:
The last decade as a whole was characterised by a very poor performance for average incomes. Between 2002–03 and 2009–10, no single year saw an increase in median income of more than 1.0%.
This is the first post in a series exploring class divides across America's largest cities and metros. Social class, an inescapable presence in American life, influences almost every aspect of our culture. It is inscribed on our very geography. Although our cities are more than ever our most powerful economic engines, they also are becoming more divided along class lines, creating distinct experiences within a given city.
Climbing the income ladder occurs less often in the Southeast and industrial Midwest, the data shows, with the odds notably low in Atlanta, Charlotte, Memphis, Raleigh, Indianapolis, Cincinnati and Columbus. By contrast, some of the highest rates occur in the Northeast, Great Plains and West, including in New York, Boston, Salt Lake City, Pittsburgh, Seattle and large swaths of California and Minnesota.