New York State was the state with the greatest income disparity between the rich and poor in the mid-2000s. At that time incomes in the bottom fifth of the population were 8.7 times lower than those in the top fifth. In New York City this gap was even wider. In the mid-2000s the City’s top income quintile had an average income 9.5 times higher than the average income of the bottom quintile. Overall income in New York State grew between the 1980s and the mid-2000s …