Among the 10 largest cities, Philly has highest deep-poverty rate, By Alfred Lubrano, September 30, 2015, Philadelphia Inquirer: “Philadelphia has the highest rate of deep poverty among America’s 10 biggest cities, an examination of federal data by The Inquirer shows. The city is already the poorest in that group. Deep poverty is measured as income of 50 percent or less of the poverty rate. A family of four living in deep poverty takes in $12,000 or less annually, half the poverty rate of $24,000 for a family that size…”