Answer

Take a look at :

    Community Sourcebook of Zip Code Demographics, available at the Jack Brause Real Estate Institute Library and Bobst Library 5th floor reference section.

    Community District Needs (New York Cityl) KFX2079.A7, available at the Real Estate Institute Library and Bobst Library 5th floor reference area.

    U.S. Census for information by census tract

    Search for journal and newspaper articles on Lexis/Nexis and Factiva. Connect via the Journals/Newspapers/E-Books section of the Virtual Business Library.