Recent quotes:

the suburbs are where you will find America’s biggest and fastest-growing poor population, as Elizabeth Kneebone and Alan Berube of the Brookings Institution explain in their book “Confronting Suburban Poverty in America”. Between 2000 and 2010 the number of people living below the federal poverty line ($22,314 for a family of four in 2010) in the suburbs grew by 53%, compared with just 23% in cities. In 2010 roughly 15.3m poor people lived in the suburbs, compared with 12.8m in cities (see chart)