Wonder how the census has changed your district and its representatives? Click on the image to access a complete map.

Many of us have been asking for a listing of elected officials.If you want a listing of phone numbers, websites, email addresses and mailing addresses for more than 4,000 federal, state, county and local officials elected in Cook County, the Cook County Clerk has just completed the 2021 Directory of Elected Officials (DOEO). Click here to access the DOEO and download a PDF copy of the document.

Important Dates for the 2024 Illinois Primary Election

• February 8: First day to vote early at the office of the election authority; First day for the election authority to mail an official ballot to registered voters within the United States.
• February 20: Last day for regular (paper) voter registration.
• February 21–March 19: Grace period registration and voting at election authority and polling sites.
• March 3: Last day for online voter registration. Grace period registration is available at election authority and early voting sites.
• March 4: First day to vote early at permanent polling places.
• March 14: Last day for election authority to receive vote by mail applications.
• March 18: Last day for early voting.
• Last day to apply in person at the election authority for a vote by mail ballot.
• March 19: General Primary Election Day! Polls open from 6:00 am to 7:00 pm.