Illinois State Board Of Elections HomeCampaign DisclosureThe Board of ElectionsElection AuthoritiesVoting and Elections
Voter File Formats


Voter File Formats
Preferred Format
  • Suitable for most groups or individuals interested in voter data. 
  • Combines voter and voting history data into one file or table. 
  • Includes up to the last 10 elections if available (Voting history availability varies by voter and by election jurisdiction.
  • Available in Microsoft Access and comma-delimited text forms.

Those with special processing requirements may opt for the following format.

Normalized Format
  • Consists of three tables (files), one with voter data, one with political subdivision data, and another containing voting history.
  • Requires that the three tables (files) be joined to access voting history or to determine political subdivisions. This process requires extensive knowledge of and experience with database software and programming.
  • Available in comma-delimited text form only.
Springfield Office
1020 S. Spring St.
Springfield, IL 62704
Phone: 217-782-4141
webmaster@elections.il.gov
Chicago Office
100 W. Randolph,
Suite 14-100
Chicago, IL 60601
Phone: 312-814-6440