Dataset Groups Activity Stream IDOR 2009 Illinois Individual Income Tax - AGI Zip Code Report This report is created twice a year, usually in January as a PRELIMINARY reporting and then in August for a FINAL reporting. Data and Resources dataCSV Explore Preview Download income revenue tax Additional Info Field Value Last Updated August 14, 2017, 19:29 (UTC) Created August 14, 2017, 19:29 (UTC)