This NYC Envisioning Development Map showcases socioeconomic data against the a map of Manhattan, Brooklyn, Queens and the Bronx, providing such data insights as median income and rough estimates of population numbers by income levels.

Expect a lot more of this sort of population data infoporn when the results of Census 2010, the first major census in the data-loving Age of Google, drops at the end of 2010/early 2011.