The Northwestern University Library has A VERY FEW documents from the Chicago Board of Election Commissioners. Therefore, to access election information of Chicago, please visit/contact the Chicago Public Library's Harold Washington Library Center, home to the Municipal Reference Collection - the official depository for the Chicago governments documents! Also, for pre-1925 reports by the Chicago Government, try searching in Google Books. Most pre-1925 items are in the public domain and available for download as PDF.

For recent information, visit the official website:

Board of Election, Commissioners for the City of Chicago
Informative site for voters and also for researchers.