This only merits inclusion on DadWagon because we are all New Yorkers and therefore busted (via the New York Post):
Income gaps in New York are greater than those of any other big American city, and have been trending higher for decades, says a study by the Fiscal Policy Institute.
One percent of New York City residents earned nearly 45 percent of the city’s income in 2007. Nationally, the top 1 percent of earners took about 23.5 percent of all income, the study says.
As we say in the big city: byoootiful.