Socioeconomic data from a variety of sources pulled together in one easy-to-use interface. Includes data from across the U.S. browseable by city/zipcode.
City of Chicago's Data Portal provides access to government and local data. The site hosts over 200 datasets about city departments, services and facilities.
The Chicago Tribune has an application for maps and databases. Tribune's commitment to investigative reporting includes online resources to learn more about their news reports and how it would affect the individual.
EveryBlock Chicago is a mash-up site that gives you data information on the neighborhood of your choice or where you live. It is a combination of different types of local information from crime reports to neighborhood photographs.