CNNMoney looks at the five states with the biggest differences in middle class incomes.
The middle class in a Denver suburb have a median income of $100,000.
Median income is up 3.8% since 2011, though it's still down since the economic recovery began in 2009.
Americans may be considered rich compared to other nations, but the wealth of the middle class ranks pretty low.
It took a long time, but middle class jobs are finally on the upswing.
