Social Explorer is a detailed reference tool for current and historical Census data from 1790 to the present. Data may be generated by browsing maps or building reports.
Search Chicago-area collections relating to the city and surrounding suburbs. Includes records for archival collections, images, and more. From the Chicago Collections Consortium
Produced as aids for insurance companies, these are large-scale plans containing data that can be used to estimate the potential risk for urban structures.
The Library subscription only includes Illinois
This Web site provides links to a few of the social science maps of Chicago that are held as separate pieces by the University of Chicago Library's Map Collection.