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Visit the Cook County Elections website.
Your Voter Information
Your Voter Information is a tool that provides key information unique to your voting address or you. The tool can provide you with details about your polling place, ballot, elected officials and more. Learn how to use the Voter Information Tool by watching this video. Also, if you would like to Vote by Mail, click here.
Just a reminder, the Your Voter Information tool is for Suburban Cook County residents only. If you live in Chicago, please visit the Chicago Board of Elections website.
Next Election: November 3, 2026 - General Election Day
Voter Registration
In order to vote, you must be registered to vote. If you are unsure of the status of your voter registration, visit the Cook County Clerk’s Office to verify your Voter Information.
To register to vote, you must be:
You can register to vote online at the Illinois Online Voter Registration Application Website.
You also must display two pieces of identification. Neither needs to be a photo ID, but one must include your current address.
When Voters Do (And Don’t) Need Identification (ID)
Visit the Voter Qualifications website for additional information.
Helpful Links
Directory of Elected Officials
Each voter in Cook County is represented by officials on many levels, from U.S. Senator and County Commissioner to Park District and School Board Trustee. Because district boundaries vary, you may not have the same representatives as your neighbors across the street. Use the Directory of Elected Officials below to find the public officials who represent your household. For most officials, their contact information and term dates are also listed.
If you have updates that need to be made to the directory, email clerk.directory@cookcountyil.gov.
Election Security
The vote is a foundational institution of our democracy, and the Cook County Clerk’s Office places paramount importance on protecting it. As the election authority for suburban Cook County, nothing is as important to the office of Cook County Clerk as ensuring that voters have complete faith and confidence in the security of our elections, knowing that their votes are accurately counted and the integrity of the process will be ceaselessly defended and protected. Here, on our Election Security page the Clerk’s strategy to defend and protect the vote are detailed.
Election Results
Search our Election Results and Statistics Database for results of general elections, primaries and consolidated local elections.
Election Data
Visitors can view and download voter registration statistics, turnout history, precinct-level election results, Early Voting turnout and more.
Post-Election Reports
The Clerk’s office also produces post-election reports after most major elections. In addition to complete Cook County results, these reports include analysis of close races, historical comparisons and turnout maps.
Map Room (Elections and Taxing Districts)
The Cook County Clerk’s office produces a plethora of maps pertaining to elections and taxing districts.
Contact Information
Call: (312) 603-0906
Email: Elect.Judge@cookcountyil.gov
Fax: (312) 603-9786
If you have any other questions, contact the Cook County Clerk Office of Monica Gordon at CookCountyClerk.com
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