Current demographic & economic information for a given U.S. metropolitan area is available via the library's SRDS Media Solutions products from Kantar Media. The library subscribes to the "Consumer Magazine Media", the "Radio Media", and the "TV and Cable Media".
Sample search: to find an executive summary report on the Chicago Demographic Metropolitan Area (DMA) click on 'Local Market Info' in the upper right of your screeen, then on 'DMA Profiles and Maps'. In the alphabetical list, scroll down to the Profile for Chicago, IL.