Climbing the Income Ladder may depend on where you live in the US
The study in the New York Times looks at how the spatially segregated and physically divided urban landscapes in America are negatively impacting those who earn lower incomes. It is harder for those in lower income brackets to move up the income ladder. The researchers quoted in the article found that mixed-income communities among other factors dealing with education and civic engagement improved income mobility.
The link below will take you to the article that has impressive maps and visual aids demonstrating which parts of the country offer the hardest climb on the ladder.